Nguyen Van Hung Vo Minh Tam Nguyen Huy Tuan Donal O'Regan Regularized gap functions and error bounds for generalized mixed weak vector quasivariational inequality problems in fuzzy environments. 162-176 2020 400 Fuzzy Sets Syst. https://doi.org/10.1016/j.fss.2019.09.015 https://www.wikidata.org/entity/Q127200820 db/journals/fss/fss400.html#HungTTO20