@article{DAN_1986_287_4_a5,
     author = {V. V. Petrov and V. I. Sobolev},
     title = {Entropy approach to the estimation of automatic control system},
     journal = {Doklady Akademii Nauk},
     pages = {799--801},
     year = {1986},
     volume = {287},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_287_4_a5/}
}