Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MT_1992_21_a8, author = {V. B. Marenich}, title = {The structure of open manifolds of nonnegative curvature}, journal = {Matemati\v{c}eskie trudy}, pages = {132--162}, publisher = {mathdoc}, volume = {21}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_1992_21_a8/} }
V. B. Marenich. The structure of open manifolds of nonnegative curvature. Matematičeskie trudy, Tome 21 (1992), pp. 132-162. http://geodesic.mathdoc.fr/item/MT_1992_21_a8/