@article{01020685,
title = {On estimates for the mixed modulus of continuity of a function with a transformed Fourier series.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {58(72)},
year = {1995},
pages = {167-192},
zbl = {0965.42005},
language = {en},
url = {http://dml.mathdoc.fr/item/01020685}
}
Potapov, M.K.; Simonov, B.V.; Lakovich, B. On estimates for the mixed modulus of continuity of a function with a transformed Fourier series.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 58(72) (1995) pp. 167-192. http://gdmltest.u-ga.fr/item/01020685/