@article{DAN_1965_164_5_a1,
     author = {A. A. Dezin},
     title = {On the theory of operators of the type $d/{dt}-\mathrm{A}$},
     journal = {Doklady Akademii Nauk},
     pages = {963--966},
     publisher = {mathdoc},
     volume = {164},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_164_5_a1/}
}