K. Atanassov, Intuitionistic fuzzy sets, Fuzzy Sets and Systems, 20(1) (1986), 87-96.
 K. Atanassov, More on intuitionstic fuzzy sets, Fuzzy Sets and Systems, 33(1) (1989), 37-46.
 K. Atanassov, G. Pasi, P. Yager, Intuitionistic fuzzy interpretations of multi-criteria multi-person and multimeasurement tool decision making, International Journal of Systems Science, 36 (2005), 859-868.
 T. Chaira, A novel intuitionistic fuzzy C-means clustering algorithm and its application to medical images, Applied Soft Computing, 11 (2011), 1711-1717.
 T. Chaira, A. K. Ray, A new measure using intuitionistic fuzzy set theory and its application to edge detection, Applied Soft Computing, 8 (2008), 919-927.
 T. Y. Chen, A comparative analysis of score functions for multiple criteria decision making in intuitionistic fuzzy settings, Information Sciences, 181 (2011), 3652-3676.
 C. Chen, X. Deng, Several new results based on the study of distance measure of intuitionistic fuzzy sets, Iranian Journal of Fuzzy Systems, 17 (2020), 147-163.
 T. Y. Chen, C. H. Li, Determining objective weights with intuitionistic fuzzy entropy measures: A comparative analysis, Information Sciences, 180 (2010), 4207-4222.
 T. Y. Chen, C. H. Li, Objective weights with intuitionistic fuzzy entropy measures and computational experiment analysis, Applied Soft Computing, 11 (2011), 5411-5423.
 X. J. Gou, Z. S. Xu, Exponential operations for intuitionistic fuzzy numbers and interval numbers in multi-attribute decision making, Fuzzy Optimization and Decision Making, 16 (2017), 183-204.
 X. J. Gou, Z. S. Xu, H. C. Liao, Expotential operations over interval-valued intuitionistic fuzzy numbers, International Journal of Machine Learning and Cybernetics, 7 (2016), 501-518.
 C. Huang, M. W. Lin, Z. S. Xu, Pythagorean fuzzy MULTIMOORA method based on distance measure and score function: Its application in multicriteria decision making process, Knowledge and Information Systems, 62 (2020), 4373-4406.
 W. L. Hung, M. S. Yang, Similarity measures of intuitionistic fuzzy sets based on Lp metric, International Journal of Approximate Reasoning, 46 (2007), 120-136.
 W. L. Hung, M. S. Yang, On the J-divergence of intuitionistic fuzzy sets with its application to pattern recognition, Information Sciences, 178 (2008), 1641-1650.
 J. Q. Li, G. N. Deng, H. X. Li, W. Y. Zeng, The relationship between similarity measure and entropy of intuitionistic fuzzy sets, Information Sciences, 188 (2012), 314-321.
 M. W. Lin, C. Huang, R. Q. Chen, H. Fujita, X. Wang, Directional correlation coefficient measures for Pythagorean fuzzy sets: Their applications to medical diagnosis and cluster analysis, Complex and Intelligent Systems, 7 (2021), 1025-1043.
 H. W. Liu, G. J. Wang, Multi-criteria decision-making methods based on intuitionistic fuzzy sets, European Journal of Operational Research, 179 (2007), 220-233.
 G. A. Papakostas, A. G. Hatzimichailidis, V. G. Kaburlasos, Distance and similarity measures between intuitionistic fuzzy sets: A comparative analysis from a pattern recognition point of view, Pattern Recognition Letters, 34 (2013), 1609-1622.
 M. P. Pedro, C. Pedro, H. Bustince, E. Barrenechea, M. Pagola, J. Fernandez, Image segmentation using Atanassov intuitionistic fuzzy sets, Expert Systems with Applications, 40 (2013), 15-26.
 K. Rezaei, New distance and similarity measures for hesitant fuzzy soft sets, Iranian Journal of Fuzzy Systems, 16 (2019), 159-176.
 E. Szmidt, J. Kacprzyk, Distances between intuitionistic fuzzy sets, Fuzzy Sets and Systems, 114 (2000), 505-518.
 I. K. Vlachos, G. D. Sergiadis, Intuitionistic fuzzy information: Applications to pattern recognition, Pattern Recognition Letters, 28 (2007), 197-206.
 W. Q. Wang, X. L. Xin, Distance measure between intuitionstic fuzzy sets, Pattern Recognition Letters, 26 (2005), 2063-2069.
 J. Q. Wang, Z. H. Zhang, Multi-criteria decision-making method with incomplete certain information based on intuitionistic fuzzy number, Control and Decision, 24 (2009), 226-230.
 G. W. Wei, Gray relational analysis method for intuitionistic fuzzy multiple attribute decision making, Expert Systems with Applications, 38 (2011), 11671-11677.
 M. M. Xia, Z. S. Xu, Entropy/cross entropy-based group decision making under intuitionistic fuzzy environment, Information Fusion, 13 (2012), 31-47.
 Z. S. Xu, Intuitionistic preference relations and their application in group decision making, Information Sciences, 177 (2007), 2363-2379.
 Z. S. Xu, J. Chen, An overview of distance and similarity measures of intuitionistic fuzzy sets, International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, 16 (2008), 529-555.
 Z. S. Xu, J. Chen, J. J. Wu, Clustering algorithm for intuitionistic fuzzy sets, Information Sciences, 178 (2008), 3775-3790.
 L. Zadeh, Fuzzy sets, Information and Control, 8 (1965), 338-356.
 H. M. Zhang, L. Y. Yu, New distance measures between intuitionistic fuzzy sets and interval-valued fuzzy sets, Information Sciences, 245 (2013), 181-196.