@book{13935,
	author = {Winter School on Stochastic Processes and Optimal Control, Friederich Schiller Univ., Friedrichroda (Jena), 1-7 March, 1992 and Engelbert, Hans J.},
	title = {Stochastic processes and optimal control; lectures from the 9th winter school},
	publisher = {Gordon & Breach,},
	year = {1993},
	address = {Switzerland:}
}