TY  - JOUR
AU  - Jaume Llibre
AU  - Daniel Peralta-Salas
TI  - A note on the first integrals of vector fields with integrating factors and normalizers
JO  - Symmetry, integrability and geometry: methods and applications
PY  - 2012
VL  - 8
UR  - http://geodesic.mathdoc.fr/item/SIGMA_2012_8_a34/
LA  - en
ID  - SIGMA_2012_8_a34
ER  -