Mathematical Inequalities & Applications · Volume 9, Issue 3 On (Hpq, Lpq)-type inequality of maximal operator of Marcinkiewicz-Fejér means of double Fourier series with respect to the Kaczmarz system 09-46 Pages 473-483 DOI 10.7153/mia-09-46 Downloads Short PDF Full PDF PNG Authors György Gát Ushangi Goginava Károly Nagy Keywords Walsh-Kaczmarz system Marcinkiewicz-Fejér means maximal operator Subject classes 42C10