%0 Journal Article %A Sancho, N. %T Optimization of stochastic systems, by M. Aoki. Academic Press, New York - London, 1967. xv + 354 pages. %J Canadian mathematical bulletin %D 1969 %P 108-109 %V 12 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500030125/ %R 10.1017/S0008439500030125 %F 10_1017_S0008439500030125