@article{01049429, title = {A fixed point theorem for non-self set-valued mappings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {9-12}, doi = {10.1155/S0161171297000021}, zbl = {0882.47038}, language = {en}, url = {http://dml.mathdoc.fr/item/01049429} }
Rhoades, B.E. A fixed point theorem for non-self set-valued mappings.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 9-12. doi : 10.1155/S0161171297000021. http://gdmltest.u-ga.fr/item/01049429/