%0 Journal Article
%A A. V. Pogorelov
%T Investigation of the plane in absolute geometry
%J Doklady Akademii Nauk
%D 1996
%P 449-451
%V 348
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1996_348_4_a3/
%G ru
%F DAN_1996_348_4_a3