Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1993__43_4_a7, author = {Popa, Valeriu and Noiri, Takashi}, title = {On upper and lower $alpha$-continuous multifunctions}, journal = {Mathematica slovaca}, pages = {477--491}, publisher = {mathdoc}, volume = {43}, number = {4}, year = {1993}, mrnumber = {1248981}, zbl = {0837.54010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1993__43_4_a7/} }
Popa, Valeriu; Noiri, Takashi. On upper and lower $alpha$-continuous multifunctions. Mathematica slovaca, Tome 43 (1993) no. 4, pp. 477-491. http://geodesic.mathdoc.fr/item/MASLO_1993__43_4_a7/