Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_2002_32_1a_1, author = {V. Popa, T. Noiri}, title = {On upper and lower weakly a-continuous multifunctions}, journal = {Novi Sad Journal of Mathematics}, pages = {7-24}, publisher = {mathdoc}, volume = {32}, number = {1}, year = {2002}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2002_32_1a_1/} }
V. Popa, T. Noiri. On upper and lower weakly a-continuous multifunctions. Novi Sad Journal of Mathematics, Tome 32 (2002) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_2002_32_1a_1/