@article{BUMI_1961_3_16_3_a2,
     author = {Maheshwari, S. N.},
     title = {On the absolute harmonic summability of a double series related to a  double {Fourier} series.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {221--237},
     publisher = {mathdoc},
     volume = {Ser. 3, 16},
     number = {3},
     year = {1961},
     zbl = {0109.29403},
     mrnumber = {141947},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1961_3_16_3_a2/}
}