%0 Journal Article %A V. Ya. Yanchak %T The expansion of functions of a mixed class in a series of algebraic polynomials %J Informatics and Automation %D 1972 %P 242-256 %V 128 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1972_128_a16/ %G ru %F TRSPY_1972_128_a16