%0 Journal Article %A S. A. Drozdovskii %T Theorems on the continuation of upper semicontinuous selections and of selections close to them of lower semicontinuous multivalued mappings %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2000 %P 14-18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2000_2_a3/ %G ru %F VMUMM_2000_2_a3