@article{1178243314,
author = {Okuyama, Yasuo},
title = {On contraction of Walsh Fourier series},
journal = {Tohoku Math. J. (2)},
volume = {19},
number = {4},
year = {1967},
pages = { 156-167},
language = {en},
url = {http://dml.mathdoc.fr/item/1178243314}
}
Okuyama, Yasuo. On contraction of Walsh Fourier series. Tohoku Math. J. (2), Tome 19 (1967) no. 4, pp. 156-167. http://gdmltest.u-ga.fr/item/1178243314/