@article{DAN_1993_330_6_a10,
     author = {V. S. Pugachev},
     title = {Conditionally optimal control},
     journal = {Doklady Akademii Nauk},
     pages = {710--712},
     publisher = {mathdoc},
     volume = {330},
     number = {6},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_330_6_a10/}
}