Certain properties of generalized $\phi$-invariant systems of linear differential equations
Differencialʹnye uravneniâ, Tome 10 (1974) no. 2, pp. 258-264
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@article{DE_1974_10_2_a9,
author = {G. N. Petrovskiǐ},
title = {Certain properties of generalized $\phi$-invariant systems of linear differential equations},
journal = {Differencialʹnye uravneni\^a},
pages = {258--264},
year = {1974},
volume = {10},
number = {2},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1974_10_2_a9/}
}
G. N. Petrovskiǐ. Certain properties of generalized $\phi$-invariant systems of linear differential equations. Differencialʹnye uravneniâ, Tome 10 (1974) no. 2, pp. 258-264. http://geodesic.mathdoc.fr/item/DE_1974_10_2_a9/