TY  - JOUR
AU  - V. A. Baltag
TI  - Cubic null-systems of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 345
EP  - 347
VL  - 27
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_2_a18/
LA  - ru
ID  - DE_1991_27_2_a18
ER  -