%0 Journal Article
%A V. R. Kireitov
%T On some geometric questions of the illumination of surfaces
%J Doklady Akademii Nauk
%D 1978
%P 261-263
%V 240
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_240_2_a3/
%G ru
%F DAN_1978_240_2_a3