@article{10_1007_s10587_011_0038_6,
     author = {Goginava, Ushangi and Nagy, K\'aroly},
     title = {On the maximal operator of {Walsh-Kaczmarz-Fej\'er} means},
     journal = {Czechoslovak Mathematical Journal},
     pages = {673--686},
     publisher = {mathdoc},
     volume = {61},
     number = {3},
     year = {2011},
     doi = {10.1007/s10587-011-0038-6},
     mrnumber = {2853082},
     zbl = {1249.42011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-011-0038-6/}
}