@article{DAN_1978_242_5_a10, author = {M. M. Khrustalev}, title = {Necessary and sufficient optimality conditions in the form of {Bellman's} equation}, journal = {Doklady Akademii Nauk}, pages = {1023--1026}, publisher = {mathdoc}, volume = {242}, number = {5}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1978_242_5_a10/} }