Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1986_16_2a_8, author = {Fisher Brian and Sessa Salvatore}, title = {A pair of commuting mappings with a common fixed point}, journal = {Novi Sad Journal of Mathematics}, pages = {89-99}, publisher = {mathdoc}, volume = {16}, number = {2}, year = {1986}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1986_16_2a_8/} }
Fisher Brian; Sessa Salvatore. A pair of commuting mappings with a common fixed point. Novi Sad Journal of Mathematics, Tome 16 (1986) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_1986_16_2a_8/