%0 Journal Article %A V. D. Shmatkov %T Expansion of matrix functions into trigonometric series %J Fundamentalʹnaâ i prikladnaâ matematika %D 2016 %P 241-245 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2016_21_1_a19/ %G ru %F FPM_2016_21_1_a19