A three-spheres theorem
Doklady Akademii Nauk, Tome 148 (1963) no. 2, pp. 277-279
@article{DAN_1963_148_2_a9,
author = {E. M. Landis},
title = {A three-spheres theorem},
journal = {Doklady Akademii Nauk},
pages = {277--279},
year = {1963},
volume = {148},
number = {2},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1963_148_2_a9/}
}
E. M. Landis. A three-spheres theorem. Doklady Akademii Nauk, Tome 148 (1963) no. 2, pp. 277-279. http://geodesic.mathdoc.fr/item/DAN_1963_148_2_a9/