The problem of discrimination for the normal domain $N_4$ in the space $R^3$
Differencialʹnye uravneniâ, Tome 12 (1976) no. 2, pp. 263-271
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@article{DE_1976_12_2_a8,
author = {S. K. Norkin},
title = {The problem of discrimination for the normal domain $N_4$ in the space $R^3$},
journal = {Differencialʹnye uravneni\^a},
pages = {263--271},
year = {1976},
volume = {12},
number = {2},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1976_12_2_a8/}
}
S. K. Norkin. The problem of discrimination for the normal domain $N_4$ in the space $R^3$. Differencialʹnye uravneniâ, Tome 12 (1976) no. 2, pp. 263-271. http://geodesic.mathdoc.fr/item/DE_1976_12_2_a8/