@article{02012615, title = {KKM theorem with applications to lower and upper bounds equilibrium problem in }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2003}, year = {2003}, pages = {3267-3276}, doi = {10.1155/S0161171203211261}, zbl = {1044.47044}, language = {en}, url = {http://dml.mathdoc.fr/item/02012615} }
Fakhar, M.; Zafarani, J. KKM theorem with applications to lower and upper bounds equilibrium problem in . International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003) pp. 3267-3276. doi : 10.1155/S0161171203211261. http://gdmltest.u-ga.fr/item/02012615/