Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_222_1_a10, author = {A. S. Solodovnikov and N. R. Kamyshanskii}, title = {Poles of {pseudo-Riemannian} spaces}, journal = {Doklady Akademii Nauk}, pages = {47--50}, publisher = {mathdoc}, volume = {222}, number = {1}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_1_a10/} }
A. S. Solodovnikov; N. R. Kamyshanskii. Poles of pseudo-Riemannian spaces. Doklady Akademii Nauk, Tome 222 (1975) no. 1, pp. 47-50. http://geodesic.mathdoc.fr/item/DAN_1975_222_1_a10/