Volume & Issue: Volume 11, Issue 6, November and December 2014, Pages 1-130 
5. Krasner $F^{(m, n)}$-Hyperrings

Pages 67-88

B. Davvaz; M. Farshi


6. Fuzzy order congruences on fuzzy posets

Pages 89-109

Jing Hao; Qingguo Li; Lankun Guo