On the problem of center and focus
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1961), pp. 57-65
Cet article a éte moissonné depuis la source Math-Net.Ru
@article{IVM_1961_4_a5,
author = {N. V. Medvedev},
title = {On the problem of center and focus},
journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
pages = {57--65},
year = {1961},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/IVM_1961_4_a5/}
}
N. V. Medvedev. On the problem of center and focus. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1961), pp. 57-65. http://geodesic.mathdoc.fr/item/IVM_1961_4_a5/