%0 Journal Article
%A D. P. Polozkov
%T A study of generalized interpretations of the plane geometry of Lobachevskii and its geodesic lines
%J Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
%D 1951
%P 9-14
%V 148
%N 148
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZMU_1951_148_148_a1/
%G ru
%F UZMU_1951_148_148_a1