@article{DAN_1972_207_5_a7,
     author = {V. I. Popov},
     title = {Quantization of control systems},
     journal = {Doklady Akademii Nauk},
     pages = {1048--1050},
     publisher = {mathdoc},
     volume = {207},
     number = {5},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_207_5_a7/}
}