TY  - JOUR
AU  - I. P. Martynov
TI  - Third-order systems with a moving singular curve
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 227
EP  - 232
VL  - 17
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_2_a3/
LA  - ru
ID  - DE_1981_17_2_a3
ER  -