@inbook{5232e26bd66848818c5c796e6436c028,
title = "First Lyapunov costants for non-smooth Lienard differential equations",
author = "B. Coll and A. Gasull and R. Prohens",
year = "1995",
month = dec,
day = "1",
language = "M{\'u}ltiples idiomas",
isbn = "978-2-908912-30-2",
series = "{\'E}tudes (Presses universitaires de Perpignan)",
pages = "77--83",
editor = "M. Sofonea and J.\_N. Corvellec",
booktitle = "Proceedings of the 2nd Catalan Days on Applied Mathematics : November, 29-December 1, 1995, Font-Romeu-Odeillo, France",
edition = "1",
}