%0 Journal Article
%A V. V. Goldberg
%T Surfaces $L$ of four-dimensional space and their maps into three-dimensional space
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1960
%V 15
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1960_15_5_a14/
%G ru
%F RM_1960_15_5_a14