%0 Journal Article %A R. I. Zarosskii %T Differentiability of the solution of the fundamental functional equation of dynamic programming %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1965 %P 157-160 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1965_5_1_a22/ %G ru %F ZVMMF_1965_5_1_a22