TY  - JOUR
AU  - È. I. Grudo
TI  - On the theory of stability of ordinary differential systems and Pfaffian systems
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 782
EP  - 789
VL  - 19
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_5_a2/
LA  - ru
ID  - DE_1983_19_5_a2
ER  -