@article{DAN_1994_339_3_a6,
     author = {V. F. Yakovlev},
     title = {Controllable behavior of a system with a variable structure in a},
     journal = {Doklady Akademii Nauk},
     pages = {314--315},
     publisher = {mathdoc},
     volume = {339},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_339_3_a6/}
}