@article{10_1007_s10587_015_0222_1,
     author = {Blahota, Istv\'an and Persson, Lars-Erik and Tephnadze, Giorgi},
     title = {On the {N\"orlund} means of {Vilenkin-Fourier} series},
     journal = {Czechoslovak Mathematical Journal},
     pages = {983--1002},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {2015},
     doi = {10.1007/s10587-015-0222-1},
     mrnumber = {3441330},
     zbl = {06537705},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-015-0222-1/}
}