@article{DAN_1990_315_1_a16,
     author = {D. Ya. Petrina and V. I. Gerasimenko and V. Z. \`Enol'skii},
     title = {Equations of motion of a class of quantum-classical systems},
     journal = {Doklady Akademii Nauk},
     pages = {75--80},
     publisher = {mathdoc},
     volume = {315},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_315_1_a16/}
}