@article{Szal:2011,
author
=
"B.Szal",
title
=
"On the integral modulus of continuity of Fourier series",
journal
=
"Acta Mathematica Hungarica",
volume
=
"Vol. 131",
number
=
"no 1-2",
pages
=
"138--159",
year
=
"2011",
}