@article{PORMA_1968__27_3_115068,
     author = {Maravic, Manojlo},
     title = {On the summability of multiple {Fourier} series},
     journal = {Portugaliae mathematica},
     pages = {127--135},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1968},
     mrnumber = {0270068},
     zbl = {0202.35102},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1968__27_3_115068/}
}