Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1988_18_1a_12, author = {Cho Y. J. and Khan M. S. and Siengh S. L.}, title = {Common fixed points of {Weakly} commuting mappings}, journal = {Novi Sad Journal of Mathematics}, pages = {129-142}, publisher = {mathdoc}, volume = {18}, number = {1}, year = {1988}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1988_18_1a_12/} }
Cho Y. J.; Khan M. S.; Siengh S. L. Common fixed points of Weakly commuting mappings. Novi Sad Journal of Mathematics, Tome 18 (1988) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1988_18_1a_12/