@article{1183507350, author = {Hs\"u, Hai-Tsin}, title = {The strong summability of double Fourier series}, journal = {Bull. Amer. Math. Soc.}, volume = {51}, number = {11}, year = {1945}, pages = { 700-713}, language = {en}, url = {http://dml.mathdoc.fr/item/1183507350} }
Hsü, Hai-Tsin. The strong summability of double Fourier series. Bull. Amer. Math. Soc., Tome 51 (1945) no. 11, pp. 700-713. http://gdmltest.u-ga.fr/item/1183507350/