%0 Journal Article %A Chu, Liang-Ju %A Tsai, Chi-Nan %T Minimax theorems without changeless proportion %J Discussiones Mathematicae. Differential Inclusions, Control and Optimization %D 2003 %P 55-92 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMDICO_2003_23_1_a5/ %G en %F DMDICO_2003_23_1_a5