@article{IVM_1968_8_a2,
     author = {D. L. Berman},
     title = {A~generalization of the theory of linear polynomial operations to a~complex region},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {18--25},
     publisher = {mathdoc},
     number = {8},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1968_8_a2/}
}