TY  - JOUR
AU  - Christopher, Colin
TI  - Liouvillian first integrals of second order polynomial differential equations
JO  - Electronic Journal of Differential Equations
PY  - 1999
VL  - 1999
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a13/
LA  - en
ID  - EJDE_1999__1999__a13
ER  -