Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1978_8_Nonea_2, author = {Had\v{z}i\'c Olga}, title = {Some fixed point theorems in {Banach} spaces}, journal = {Novi Sad Journal of Mathematics}, pages = {13-19}, publisher = {mathdoc}, volume = {8}, year = {1978}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1978_8_Nonea_2/} }
Hadžić Olga. Some fixed point theorems in Banach spaces. Novi Sad Journal of Mathematics, Tome 8 (1978). http://geodesic.mathdoc.fr/item/NSJOM_1978_8_Nonea_2/