%0 Journal Article %A A. V. Bogatyrev %A E. S. Pyatnitskii %T Necessary optimality conditions in terms of generalized Hamilton--Jacobi--Bellman equations with phase constraints %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1995 %P 62-80 %V 211 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1995_211_a3/ %G ru %F TM_1995_211_a3