@article{DAN_1977_236_4_a1,
     author = {I. I. Ibragimov and N. I. Shikhaliev},
     title = {On a constructive characteristic of a class of functions of a complex variable},
     journal = {Doklady Akademii Nauk},
     pages = {789--791},
     publisher = {mathdoc},
     volume = {236},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_4_a1/}
}