On averaging operators for Atanassov's intuitionistic fuzzy sets. - Gleb Beliakov; Humberto Bustince Sola; D. P. Goswami; U. K. Mukherjee; Nikhil R. Pal (Inf. Sci., 2011)

Uncertainties with Atanassov's intuitionistic fuzzy sets: Fuzziness and lack of knowledge. - Nikhil R. Pal; Humberto Bustince Sola; Miguel Pagola; U. K. Mukherjee; D. P. Goswami; Gleb Beliakov (Inf. Sci., 2013)