@article{DAN_1975_221_6_a10,
     author = {O. G. Smolyanov},
     title = {Linear representations of evolution differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {1288--1291},
     publisher = {mathdoc},
     volume = {221},
     number = {6},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_6_a10/}
}