J.M. Amigó, L. Kocarev, I. Tomovski, Discrete entropy, Physica D: Nonlinear Phenomena, Volume 228, Issue 1, 1 April 2007, Pages 77-85, ISSN 0167-2789, http://doi.org/10.1016/j.physd.2007.03.001.
J.M. Amigó, L. Kocarev, I. Tomovski, Discrete entropy, Physica D: Nonlinear Phenomena, Volume 228, Issue 1, 1 April 2007, Pages 77-85, ISSN 0167-2789, http://doi.org/10.1016/j.physd.2007.03.001.