Plubtieng, S., and K. Sombut. 2011. “EXISTENCE OF SYSTEMS OF GENERALIZED VECTOR QUASI-EQUILIBRIUMS IN PRODUCT FC-SPACES”. Journal of Nonlinear Analysis and Optimization: Theory & Applications 2 (1):167-79. http://www.math.sci.nu.ac.th/ojs302/index.php/jnao/article/view/45.