@article{IVM_1977_5_a0,
     author = {M. B. Balk and A. A. Gol'dberg},
     title = {Functions that are polyanalytic in the unit disc},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--14},
     year = {1977},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_5_a0/}
}