Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1972_202_5_a0, author = {V. K. Bel'nov}, title = {On metric extensions}, journal = {Doklady Akademii Nauk}, pages = {991--994}, publisher = {mathdoc}, volume = {202}, number = {5}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_5_a0/} }
V. K. Bel'nov. On metric extensions. Doklady Akademii Nauk, Tome 202 (1972) no. 5, pp. 991-994. http://geodesic.mathdoc.fr/item/DAN_1972_202_5_a0/