Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1995_25_1a_2, author = {Gaji\'c Ljiljana}, title = {A fixed point theorem in abstract economy}, journal = {Novi Sad Journal of Mathematics}, pages = {19-28}, publisher = {mathdoc}, volume = {25}, number = {1}, year = {1995}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1995_25_1a_2/} }
Gajić Ljiljana. A fixed point theorem in abstract economy. Novi Sad Journal of Mathematics, Tome 25 (1995) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1995_25_1a_2/