Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1985_15_2a_0, author = {Had\v{z}i\'c Olga}, title = {Some common fixed point theorems in convex metric spaces}, journal = {Novi Sad Journal of Mathematics}, pages = {1-13}, publisher = {mathdoc}, volume = {15}, number = {2}, year = {1985}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1985_15_2a_0/} }
Hadžić Olga. Some common fixed point theorems in convex metric spaces. Novi Sad Journal of Mathematics, Tome 15 (1985) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_1985_15_2a_0/