TY  - JOUR
AU  - A. A. Grigor'yan
TI  - On the set of positive solutions of the Laplace–Beltrami equation on Riemannian manifolds of a special form
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1987
SP  - 30
EP  - 37
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/IVM_1987_2_a4/
LA  - ru
ID  - IVM_1987_2_a4
ER  -