@article{10_4064_ap_16_3_237_265, author = {J. Meder}, title = {Further results concerning the {N\"orlund} summability of orthogonal series}, journal = {Annales Polonici Mathematici}, pages = {237--265}, publisher = {mathdoc}, volume = {16}, number = {3}, year = {1964}, doi = {10.4064/ap-16-3-237-265}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-16-3-237-265/} }