Geodesic
Direct methods for the qualitative spectral analysis of a nonselfadjoint system of first order differential equations. I
Differencialʹnye uravneniâ, Tome 4 (1968) no. 8, pp. 1494-1508 
V. V. Martynov. Direct methods for the qualitative spectral analysis of a nonselfadjoint system of first order differential equations. I. Differencialʹnye uravneniâ, Tome 4 (1968) no. 8, pp. 1494-1508. http://geodesic.mathdoc.fr/item/DE_1968_4_8_a13/
@article{DE_1968_4_8_a13,
     author = {V. V. Martynov},
     title = {Direct methods for the qualitative spectral analysis of a nonselfadjoint system of first order differential equations. {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1494--1508},
     year = {1968},
     volume = {4},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1968_4_8_a13/}
}
TY  - JOUR
AU  - V. V. Martynov
TI  - Direct methods for the qualitative spectral analysis of a nonselfadjoint system of first order differential equations. I
JO  - Differencialʹnye uravneniâ
PY  - 1968
SP  - 1494
EP  - 1508
VL  - 4
IS  - 8
UR  - http://geodesic.mathdoc.fr/item/DE_1968_4_8_a13/
LA  - ru
ID  - DE_1968_4_8_a13
ER  - 
%0 Journal Article
%A V. V. Martynov
%T Direct methods for the qualitative spectral analysis of a nonselfadjoint system of first order differential equations. I
%J Differencialʹnye uravneniâ
%D 1968
%P 1494-1508
%V 4
%N 8
%U http://geodesic.mathdoc.fr/item/DE_1968_4_8_a13/
%G ru
%F DE_1968_4_8_a13

Voir la notice de l'article provenant de la source Math-Net.Ru