@article{MZ_1950__53_169191,
     author = {W. JURKAT},
     title = {Zur {Konvergenztheorie} der {Fourierreihen}},
     journal = {Mathematische Zeitschrift},
     pages = {309--339},
     publisher = {mathdoc},
     volume = {53},
     year = {1950},
     zbl = {0040.18103},
     url = {http://geodesic.mathdoc.fr/item/MZ_1950__53_169191/}
}