@article{VCHGU_1999_4_a11, author = {I. V. Mel'nikova and M. A. Alshanskiy}, title = {{\CYRV}{\cyrery}{\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery} {\cyri} }, journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika}, pages = {134--144}, publisher = {mathdoc}, number = {4}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/VCHGU_1999_4_a11/} }