The exceptional direction of an $n$th order system at a stationary point
Differencialʹnye uravneniâ, Tome 10 (1974) no. 2, pp. 187-194
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@article{DE_1974_10_2_a0,
author = {A. F. Andreev},
title = {The exceptional direction of an $n$th order system at a stationary point},
journal = {Differencialʹnye uravneni\^a},
pages = {187--194},
year = {1974},
volume = {10},
number = {2},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1974_10_2_a0/}
}
A. F. Andreev. The exceptional direction of an $n$th order system at a stationary point. Differencialʹnye uravneniâ, Tome 10 (1974) no. 2, pp. 187-194. http://geodesic.mathdoc.fr/item/DE_1974_10_2_a0/