Kohlmann, M. / Vogel, W. (eds.), Stochastic Control Theory and Stochastic Differential Systems. Proceedings of a Workshop of the „Sonderforschungsbereich 72 der Deutschen Forschungsgemeinschaft an der Universität Bonn”︁ which took place in January 1979 at Bad Honnef. Lexture Notes in Control and Information Sciences 16. Berlin‐Heidelberg‐New York. Springer‐Verlag 1979. XII, 615 S., 15 Abb., 1 Tab., DM 60,–, US $ 33.00. ISBN 3‐540‐09480‐6