Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1982_12_Nonea_1, author = {Had\v{z}i\'c Olga}, title = {On common fixed point theorems in 2-metric spaces}, journal = {Novi Sad Journal of Mathematics}, pages = {7-18}, publisher = {mathdoc}, volume = {12}, year = {1982}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1982_12_Nonea_1/} }
Hadžić Olga. On common fixed point theorems in 2-metric spaces. Novi Sad Journal of Mathematics, Tome 12 (1982). http://geodesic.mathdoc.fr/item/NSJOM_1982_12_Nonea_1/