%0 Journal Article %A O. I. Reinov %T Operators of type $RN$ in Banach spaces %J Doklady Akademii Nauk %D 1975 %P 528-531 %V 220 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_220_3_a6/ %G ru %F DAN_1975_220_3_a6