@article{MZ_1965__88_170404,
     author = {Tribikram Pati},
     title = {On the absolute summability of {Fourier} series by {N\"orlund} means.},
     journal = {Mathematische Zeitschrift},
     pages = {244--249},
     publisher = {mathdoc},
     volume = {88},
     year = {1965},
     zbl = {0154.06201},
     url = {http://geodesic.mathdoc.fr/item/MZ_1965__88_170404/}
}