TY  - JOUR
AU  - A. V. Aminova
AU  - N. A. Aminov
TI  - Projective geometry of systems of second-order differential equations
JO  - Sbornik. Mathematics
PY  - 2006
SP  - 951
EP  - 975
VL  - 197
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2006_197_7_a0/
LA  - en
ID  - SM_2006_197_7_a0
ER  -