TY - JOUR AU - S. A. Drozdovskii TI - Theorems on the continuation of upper semicontinuous selections and of selections close to them of lower semicontinuous multivalued mappings JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2000 SP - 14 EP - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2000_2_a3/ LA - ru ID - VMUMM_2000_2_a3 ER -