%0 Journal Article
%A A. A. Grigor'yan
%T On the set of positive solutions of the Laplace--Beltrami equation on Riemannian manifolds of a~special form
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1987
%P 30-37
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1987_2_a4/
%G ru
%F IVM_1987_2_a4