@article{DAN_1984_277_5_a15,
     author = {Ya. Z. Tsypkin},
     title = {Optimal adaptive control systems},
     journal = {Doklady Akademii Nauk},
     pages = {1092--1096},
     publisher = {mathdoc},
     volume = {277},
     number = {5},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_277_5_a15/}
}