期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2000
卷号：24
DOI：10.1155/S0161171200001447
出版社：Hindawi Publishing Corporation
摘要：Gwinner (1981) proved an existence theorem for a variational
inequality problem involving an upper semicontinuous multifunction
with compact convex values. The aim of this paper is to solve this
problem for a multifunction with open inverse values.
