@article{10_4064_ap_18_1_1_13, author = {J. Meder}, title = {Absolute {N\"orlund} summability and orthogonal series}, journal = {Annales Polonici Mathematici}, pages = {1--13}, publisher = {mathdoc}, volume = {18}, number = {1}, year = {1966}, doi = {10.4064/ap-18-1-1-13}, language = {de}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-18-1-1-13/} }