Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1980_250_5_a7, author = {I. G. Nikolaev}, title = {Parallel translation and smoothness of the metric of spaces of bounded curvature}, journal = {Doklady Akademii Nauk}, pages = {1056--1058}, publisher = {mathdoc}, volume = {250}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_250_5_a7/} }
I. G. Nikolaev. Parallel translation and smoothness of the metric of spaces of bounded curvature. Doklady Akademii Nauk, Tome 250 (1980) no. 5, pp. 1056-1058. http://geodesic.mathdoc.fr/item/DAN_1980_250_5_a7/