On the maximal Fejér operator for double Fourier series of functions in Hardy spaces
Tom 116 / 1995
Studia Mathematica 116 (1995), 89-100
DOI: 10.4064/sm-116-1-89-100
Streszczenie
We consider the Fejér (or first arithmetic) means of double Fourier series of functions belonging to one of the Hardy spaces $H^{(1,0)}(