Institution: | (1) Faculty of Mathematics, Chemnitz University of Technology, 09107 Chemnitz, Germany (e-mail: Gert.Wanka@Mathematik.TU-Chemnitz.de), DE;(2) Faculty of Mathematics, Chemnitz University of Technology, 09107 Chemnitz, Germany (e-mail: Lars.Goehler@Mathematik.TU-Chemnitz.de), DE |