@article{1102970757,
author = {Ustina, Fred},
title = {The Hausdorff means of double Fourier series and the principle of localization.},
journal = {Pacific J. Math.},
volume = {39},
number = {3},
year = {1971},
pages = { 235-251},
language = {en},
url = {http://dml.mathdoc.fr/item/1102970757}
}
Ustina, Fred. The Hausdorff means of double Fourier series and the principle of localization.. Pacific J. Math., Tome 39 (1971) no. 3, pp. 235-251. http://gdmltest.u-ga.fr/item/1102970757/