@Article{TkoczPiszczek2008,
author = "Tkocz-Piszczek, Ewa",
title = "Sign-changing Lyapunov functions in regularity of linear extensions of dynamical systems on a torus",
journal = "Opuscula Math.",
year = "2008",
volume = "28",
number = "1",
pages = "93--101",
doi = "http://dx.doi.org/10.7494/OpMath.2008.28.1.93",
url = "http://dx.doi.org/10.7494/OpMath.2008.28.1.93",
abstract = "In this paper we consider some sign-changing Lyapunov function in research on regularity of sets of linear extensions of dynamical systems on a torus.",
keywords = "invariant torus, Green's function of a problem of invariant toruses, regularity of linear extensions of dynamical systems",
issn = "1232-9274"
}