%0 Journal Article %A F. Móricz %T On the (C,α≥0,β≥0)-summability of double orthogonal series %J Studia Mathematica %D 1985 %P 79-94 %V 81 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-81-1-79-94/ %R 10.4064/sm-81-1-79-94 %G en %F 10_4064_sm_81_1_79_94