Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1985_4_a13, author = {V. M. Kesel'man}, title = {Riemannian manifolds of $\alpha$-parabolic type}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {81--83}, publisher = {mathdoc}, number = {4}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1985_4_a13/} }
V. M. Kesel'man. Riemannian manifolds of $\alpha$-parabolic type. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1985), pp. 81-83. http://geodesic.mathdoc.fr/item/IVM_1985_4_a13/