@Article{Kulik2011,
author = "Kulik, Viktor and Tkocz-Piszczek, Ewa",
title = "Some constructions of Lyapunov function for linear extensions of dynamical systems",
journal = "Opuscula Math.",
year = "2011",
volume = "31",
number = "3",
pages = "399--409",
doi = "http://dx.doi.org/10.7494/OpMath.2011.31.3.399",
url = "http://dx.doi.org/10.7494/OpMath.2011.31.3.399",
abstract = "In this note we consider some sets of linear extensions of dynamical systems and research regularity by means of the sign-changing Lyapunov function. We examine some constructions of Lyapunov functions for given systems.",
keywords = "Lyapunov function, invariant manifold, invariant torus",
issn = "1232-9274"
}