@article{DAN_1992_324_1_a4,
     author = {V. N. Kolokoltsov and V. P. Maslov},
     title = {The {Bellman} differential equation and the {Pontryagin} maximum},
     journal = {Doklady Akademii Nauk},
     pages = {29--34},
     publisher = {mathdoc},
     volume = {324},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_324_1_a4/}
}