Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1981_261_4_a6, author = {V. B. Marenich}, title = {The metric structure of open manifolds of nonnegative curvature}, journal = {Doklady Akademii Nauk}, pages = {801--804}, publisher = {mathdoc}, volume = {261}, number = {4}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_261_4_a6/} }
V. B. Marenich. The metric structure of open manifolds of nonnegative curvature. Doklady Akademii Nauk, Tome 261 (1981) no. 4, pp. 801-804. http://geodesic.mathdoc.fr/item/DAN_1981_261_4_a6/