%0 Journal Article %A X. Krasniqi %T On the Mixed Modulus of Smoothness and a Class of Double Fourier Series %J Mathematica balkanica %D 2013 %P 53 %V 27 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2013_27_1-2_a4/ %F MABA_2013_27_1-2_a4