%0 Journal Article %A T. Yu. Petrenko %T The properties of the Bellman function %J Differencialʹnye uravneniâ %D 1973 %P 1244-1255 %V 9 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_7_a8/ %G ru %F DE_1973_9_7_a8