TY  - JOUR
AU  - O. A. Kastritsa
AU  - G. N. Petrovskiǐ
TI  - The relative position of the integral tubes of two linear differential systems
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 1347
EP  - 1348
VL  - 9
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_7_a20/
LA  - ru
ID  - DE_1973_9_7_a20
ER  -