TY - JOUR AU - Nguyen Xuan Tan AU - Nguyen Quynh Hoa,Nguyen Ba Minh TI - Quasi-Equilibrium Problems and Fixed Point Theorems of the Sum of l.s.c. and u.s.c. Mappings JO - Minimax theory and its applications PY - 2018 VL - 3 IS - 1 UR - http://geodesic.mathdoc.fr/item/MTA_2018_3_1_a9/ ID - MTA_2018_3_1_a9 ER -