Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1990_20_1a_17, author = {Ewert Janina and Lipski Tadeusz}, title = {On {S} {\textendash} quasi {\textendash} continuous multivalued maps}, journal = {Novi Sad Journal of Mathematics}, pages = {167-183}, publisher = {mathdoc}, volume = {20}, number = {1}, year = {1990}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1990_20_1a_17/} }
Ewert Janina; Lipski Tadeusz. On S – quasi – continuous multivalued maps. Novi Sad Journal of Mathematics, Tome 20 (1990) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1990_20_1a_17/