%0 Journal Article %A S. R. Agrawal %A P. S. Kantawala %T On the Norlund summability of orthogonal series %J Commentationes Mathematicae %D 1986 %P 195-200 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v26i2.6166/ %R 10.14708/cm.v26i2.6166 %G pl %F 10_14708_cm_v26i2_6166