@article{DMDICO_2003_23_1_a5,
     author = {Chu, Liang-Ju and Tsai, Chi-Nan},
     title = {Minimax theorems without changeless proportion},
     journal = {Discussiones Mathematicae. Differential Inclusions, Control and Optimization},
     pages = {55--92},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2003},
     zbl = {1052.49007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMDICO_2003_23_1_a5/}
}