Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1986_22_9_a3, author = {E. I. Zheleznov}, title = {The maximum principle in a minimax problem}, journal = {Differencialʹnye uravneni\^a}, pages = {1504--1515}, publisher = {mathdoc}, volume = {22}, number = {9}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1986_22_9_a3/} }
E. I. Zheleznov. The maximum principle in a minimax problem. Differencialʹnye uravneniâ, Tome 22 (1986) no. 9, pp. 1504-1515. http://geodesic.mathdoc.fr/item/DE_1986_22_9_a3/