%0 Journal Article %A R. A. Lasuriya %T $\varphi$-Strong Approximation of Functions by Trigonometric Polynomials %J Matematičeskie zametki %D 2017 %P 52-63 %V 102 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2017_102_1_a5/ %G ru %F MZM_2017_102_1_a5