TY  - JOUR
AU  - A. Gasull
AU  - R. Prohens
TI  - Effective computation of the first Lyapunov quantities for a planar differential equation
JO  - Applicationes Mathematicae
PY  - 1997
SP  - 243
EP  - 250
VL  - 24
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/am-24-3-243-250/
DO  - 10.4064/am-24-3-243-250
LA  - en
ID  - 10_4064_am_24_3_243_250
ER  -