Computer Aided Systems Theory - EUROCAST '97 A Selection of Papers from the Sixth International Workshop on Computer Aided Systems Theory, Las Palmas de Gran Canaria, Spain, February 24-28, 1997, Proceedings - Pichler, Franz; Pichler, Franz; Moreno-Diaz, Roberto; Moreno-Diaz, Roberto (Springer Berlin Heidelberg : Imprint: Springer, 1997)