%0 Journal Article %A K. Runovski %A H.-J. Schmeisser %T Methods of trigonometric approximation and generalized smoothness.~I %J Eurasian mathematical journal %D 2011 %P 98-124 %V 2 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2011_2_3_a6/ %G en %F EMJ_2011_2_3_a6