%0 Journal Article %A Yu. B. Zelinskii %T On the investigation of quasi-interior mappings by local degree methods %J Doklady Akademii Nauk %D 1977 %P 997-999 %V 232 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_232_5_a3/ %G ru %F DAN_1977_232_5_a3