@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/}
}