%0 Journal Article
%A A. Raouf Chouikha
%T Monotonicity of the period function for some planar
differential systems.
Part II: Liénard and related systems
%J Applicationes Mathematicae
%D 2005
%P 405-424
%V 32
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/am32-4-4/
%R 10.4064/am32-4-4
%G en
%F 10_4064_am32_4_4