Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1987_293_3_a2, author = {A. A. Grigor'yan}, title = {A criterion for the existence on a {Riemannian} manifold of a}, journal = {Doklady Akademii Nauk}, pages = {529--531}, publisher = {mathdoc}, volume = {293}, number = {3}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_3_a2/} }
A. A. Grigor'yan. A criterion for the existence on a Riemannian manifold of a. Doklady Akademii Nauk, Tome 293 (1987) no. 3, pp. 529-531. http://geodesic.mathdoc.fr/item/DAN_1987_293_3_a2/