@article{10_4064_sm_20_3_285_300,
     author = {J. Meder},
     title = {On very strong {Riesz-summability} of orthogonal series},
     journal = {Studia Mathematica},
     pages = {285--300},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1961},
     doi = {10.4064/sm-20-3-285-300},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-20-3-285-300/}
}