@article{1138038812, author = {Komiya, Hidetoshi}, title = {Elementary proof for Sion's minimax theorem}, journal = {Kodai Math. J.}, volume = {11}, number = {1}, year = {1988}, pages = { 5-7}, language = {en}, url = {http://dml.mathdoc.fr/item/1138038812} }
Komiya, Hidetoshi. Elementary proof for Sion's minimax theorem. Kodai Math. J., Tome 11 (1988) no. 1, pp. 5-7. http://gdmltest.u-ga.fr/item/1138038812/