%0 Journal Article
%A R. I. Kachurovskii
%T On nonlinear operators whose ranges are subspaces
%J Doklady Akademii Nauk
%D 1971
%P 508-511
%V 196
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_196_3_a4/
%G ru
%F DAN_1971_196_3_a4