Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_2002__52_1_a6, author = {Kupka, Ivan}, title = {Quasicontinuous selections for closed-valued multifunctions}, journal = {Mathematica slovaca}, pages = {67--78}, publisher = {mathdoc}, volume = {52}, number = {1}, year = {2002}, mrnumber = {1901015}, zbl = {1005.54020}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_2002__52_1_a6/} }
Kupka, Ivan. Quasicontinuous selections for closed-valued multifunctions. Mathematica slovaca, Tome 52 (2002) no. 1, pp. 67-78. http://geodesic.mathdoc.fr/item/MASLO_2002__52_1_a6/