@article{04098281, title = {Fixed point theorems for compatible multi-valued and single-valued mappings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {257-262}, doi = {10.1155/S0161171289000293}, zbl = {0671.54023}, language = {en}, url = {http://dml.mathdoc.fr/item/04098281} }
Kaneko, Hideaki; Sessa, Salvatore. Fixed point theorems for compatible multi-valued and single-valued mappings.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 257-262. doi : 10.1155/S0161171289000293. http://gdmltest.u-ga.fr/item/04098281/