@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/