%0 Journal Article
%A V. I. Romanov
%T On the geometry of point mappings of four-dimensional Euclidean spaces
%J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
%D 1974
%P 345-358
%V 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/INTG_1974_5_a14/
%G ru
%F INTG_1974_5_a14