@article{DAN_1984_274_4_a3,
     author = {I. V. Evstigneev},
     title = {The principle of optimality and the equilibrium theorem for},
     journal = {Doklady Akademii Nauk},
     pages = {782--786},
     publisher = {mathdoc},
     volume = {274},
     number = {4},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_274_4_a3/}
}