TY  - JOUR
AU  - Guckenheimer, John
TI  - Phase portraits of planar vector fields: Computer proofs.
JO  - Experimental mathematics
PY  - 1995
SP  - 153
EP  - 165
VL  - 4
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EXMA_1995__4_2_226090/
LA  - en
ID  - EXMA_1995__4_2_226090
ER  -