Discrete groups of problems
Differencialʹnye uravneniâ, Tome 8 (1972) no. 2, pp. 380-382
Cet article a éte moissonné depuis la source Math-Net.Ru
@article{DE_1972_8_2_a20,
author = {E. N. Petrov},
title = {Discrete groups of problems},
journal = {Differencialʹnye uravneni\^a},
pages = {380--382},
year = {1972},
volume = {8},
number = {2},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1972_8_2_a20/}
}
E. N. Petrov. Discrete groups of problems. Differencialʹnye uravneniâ, Tome 8 (1972) no. 2, pp. 380-382. http://geodesic.mathdoc.fr/item/DE_1972_8_2_a20/