TY  - JOUR
AU  - V. P. Skripnik
TI  - Degenerate systems and a small parameter multiplying the derivative
JO  - Differencialʹnye uravneniâ
PY  - 1980
SP  - 454
EP  - 461
VL  - 16
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1980_16_3_a8/
LA  - ru
ID  - DE_1980_16_3_a8
ER  -