@article{GDZPPN002401126, title = {Absolute Summability of a Fourier Series by N\"orlund Means.}, journal = {Mathematische Zeitschrift}, volume = {99}, year = {1967}, pages = {166-170}, zbl = {0158.31102}, url = {http://dml.mathdoc.fr/item/GDZPPN002401126} }
Dikshit, H.P. Absolute Summability of a Fourier Series by Nörlund Means.. Mathematische Zeitschrift, Tome 99 (1967) pp. 166-170. http://gdmltest.u-ga.fr/item/GDZPPN002401126/