@article{01354979, title = {Summability estimates of double Vilenkin-Fourier series.}, journal = {Mathematica Pannonica}, volume = {10}, year = {1999}, pages = {67-75}, zbl = {0928.42012}, language = {en}, url = {http://dml.mathdoc.fr/item/01354979} }
Wade, W.R. Summability estimates of double Vilenkin-Fourier series.. Mathematica Pannonica, Tome 10 (1999) pp. 67-75. http://gdmltest.u-ga.fr/item/01354979/