%0 Journal Article
%A A. P. Kopylov
%T Homeomorphic mappings in the three-dimensional Euclidean space preserving angles of rays
%J Doklady Akademii Nauk
%D 1966
%P 1016-1017
%V 170
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_170_5_a5/
%G ru
%F DAN_1966_170_5_a5