TY  - JOUR
AU  - M. N. Popa
AU  - K. S. Sibirskii
TI  - Affine classification of a system with quadratic nonlinearities and not single valued canonical form
JO  - Differencialʹnye uravneniâ
PY  - 1978
SP  - 1028
EP  - 1033
VL  - 14
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1978_14_6_a6/
LA  - ru
ID  - DE_1978_14_6_a6
ER  -