@article{01268626,
title = {A viability result in the upper semicontinuous case.},
journal = {Journal of Convex Analysis},
volume = {5},
year = {1998},
pages = {381-395},
zbl = {0920.34018},
language = {en},
url = {http://dml.mathdoc.fr/item/01268626}
}
Gavioli, Andrea. A viability result in the upper semicontinuous case.. Journal of Convex Analysis, Tome 5 (1998) pp. 381-395. http://gdmltest.u-ga.fr/item/01268626/