TY  - JOUR
AU  - V. V. Martynov
TI  - The conditions of discreteness and continuity of the spectrum in case of a self-conjugate system of even order differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1965
SP  - 1578
EP  - 1591
VL  - 1
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1965_1_12_a3/
LA  - ru
ID  - DE_1965_1_12_a3
ER  -