Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1973_212_5_a11, author = {V. S. Sobchuk}, title = {The almost geodesic mapping of {Riemannian} spaces}, journal = {Doklady Akademii Nauk}, pages = {1071--1073}, publisher = {mathdoc}, volume = {212}, number = {5}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_5_a11/} }
V. S. Sobchuk. The almost geodesic mapping of Riemannian spaces. Doklady Akademii Nauk, Tome 212 (1973) no. 5, pp. 1071-1073. http://geodesic.mathdoc.fr/item/DAN_1973_212_5_a11/