@article{DAN_1963_151_4_a1,
     author = {D. L. Berman},
     title = {On the theory of linear polynomial operations},
     journal = {Doklady Akademii Nauk},
     pages = {755--757},
     year = {1963},
     volume = {151},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_4_a1/}
}