Systemtheorie B 126.555158/IW, R u b e r t i, Antonio.-Antonio Ruberti, Alberto lsidori, Paolo d'~lessandro. Theory of bilinear dynamical systems. Course held at the departrnent for automation and information, july 1972-Wien, New York: Sprin 6 ger 1972. 67 S. 8 (International centre for rnechanical sciences. Courses and lectures. 158.)