@article{04056556, title = {Compatible mappings and common fixed points. II.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {11}, year = {1988}, pages = {285-288}, doi = {10.1155/S0161171288000341}, zbl = {0647.54035}, language = {en}, url = {http://dml.mathdoc.fr/item/04056556} }
Jungck, Gerald. Compatible mappings and common fixed points. II.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 285-288. doi : 10.1155/S0161171288000341. http://gdmltest.u-ga.fr/item/04056556/