%0 Journal Article
%A A. V. Yablonovskii
%A V. G. Yampol'skii
%T Some special questions relating to interpretations of the plane geometry of Lobachevskii
%J Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
%D 1951
%P 15-20
%V 148
%N 148
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZMU_1951_148_148_a2/
%G ru
%F UZMU_1951_148_148_a2