@article{DAN_1995_343_2_a7,
     author = {V. A. Yakubovich},
     title = {Universal controllers in problems of invariance and tracking},
     journal = {Doklady Akademii Nauk},
     pages = {172--175},
     publisher = {mathdoc},
     volume = {343},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_343_2_a7/}
}