%0 Journal Article %A S. Jafarov %T Approximation by N\"orlund type means in the grand Lebesgue spaces with variable exponent %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2024 %P 19-32 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2024_34_1_a1/ %G en %F VUU_2024_34_1_a1