Commentary on "A new generalized improved score function of interval-valued intuitionistic fuzzy sets and applications in expert systems". - Yi Yang 020; Zhen-Song Chen 002; Yan-Lai Li; Hong-Xia Lv (Appl. Soft Comput., 2016)

Pythagorean fuzzy Bonferroni means based on T-norm and its dual T-conorm. - Yi Yang 020; Kwai-Sang Chin; Heng Ding; Hong-Xia Lv; Yan-Lai Li (Int. J. Intell. Syst., 2019)