Geodesic
Affine classification of a quadratic system
Differencialʹnye uravneniâ, Tome 10 (1974) no. 12, pp. 2111-2124 
N. I. Vulpe; K. S. Sibirskii. Affine classification of a quadratic system. Differencialʹnye uravneniâ, Tome 10 (1974) no. 12, pp. 2111-2124. http://geodesic.mathdoc.fr/item/DE_1974_10_12_a2/
@article{DE_1974_10_12_a2,
     author = {N. I. Vulpe and K. S. Sibirskii},
     title = {Affine classification of a quadratic system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2111--2124},
     year = {1974},
     volume = {10},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_12_a2/}
}
TY  - JOUR
AU  - N. I. Vulpe
AU  - K. S. Sibirskii
TI  - Affine classification of a quadratic system
JO  - Differencialʹnye uravneniâ
PY  - 1974
SP  - 2111
EP  - 2124
VL  - 10
IS  - 12
UR  - http://geodesic.mathdoc.fr/item/DE_1974_10_12_a2/
LA  - ru
ID  - DE_1974_10_12_a2
ER  - 
%0 Journal Article
%A N. I. Vulpe
%A K. S. Sibirskii
%T Affine classification of a quadratic system
%J Differencialʹnye uravneniâ
%D 1974
%P 2111-2124
%V 10
%N 12
%U http://geodesic.mathdoc.fr/item/DE_1974_10_12_a2/
%G ru
%F DE_1974_10_12_a2

Voir la notice de l'article provenant de la source Math-Net.Ru