O177.91
利用Ekeland变分原理和P.S.条件证明了一个minimax定理,可以认为它是Manasevich定理的改进。
A minimax theorem is proved by taking advantage of Ekeland's variationalprinciple and the P. S. condition. This theorem can be regarded as an improvement of the theoremdue to Manasevich.
叶仲泉.关于鞍函数的一个minimax定理[J].重庆大学学报,1996,19(6):131-134.