%0 Journal Article
%A A. A. Shvartsburg
%T Grey solar sail levitation with a non-point light source
%J Doklady Akademii Nauk
%D 1993
%P 460-464
%V 333
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_333_4_a13/
%G ru
%F DAN_1993_333_4_a13