Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1960_134_6_a10, author = {I. A. Sokolenko}, title = {Spheres and geodesics in {Riemannian} spaces with a pole}, journal = {Doklady Akademii Nauk}, pages = {1307--1308}, publisher = {mathdoc}, volume = {134}, number = {6}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_134_6_a10/} }
I. A. Sokolenko. Spheres and geodesics in Riemannian spaces with a pole. Doklady Akademii Nauk, Tome 134 (1960) no. 6, pp. 1307-1308. http://geodesic.mathdoc.fr/item/DAN_1960_134_6_a10/