@article{DAN_1991_316_4_a1,
     author = {S. A. Avdonin and S. A. Ivanov and A. Z. Ishmukhametov},
     title = {A quadratic problem of the optimal control of the vibrations of a},
     journal = {Doklady Akademii Nauk},
     pages = {781--785},
     publisher = {mathdoc},
     volume = {316},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_316_4_a1/}
}