@article{00147572, title = {An application of KKM-map principle.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {15}, year = {1992}, pages = {659-661}, doi = {10.1155/S0161171292000875}, zbl = {0806.47047}, language = {en}, url = {http://dml.mathdoc.fr/item/00147572} }
Carbone, A. An application of KKM-map principle.. International Journal of Mathematics and Mathematical Sciences, Tome 15 (1992) pp. 659-661. doi : 10.1155/S0161171292000875. http://gdmltest.u-ga.fr/item/00147572/