@article{CM_1968__19_3_196_0,
     author = {Nessel, R. J. and Pawelke, A.},
     title = {\"Uber {Favardklassen} von {Summationsprozessen} mehrdimensionaler {Fourierreihen}},
     journal = {Compositio Mathematica},
     pages = {196--212},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {19},
     number = {3},
     year = {1968},
     mrnumber = {230015},
     zbl = {0176.35501},
     language = {de},
     url = {http://www.numdam.org/item/CM_1968__19_3_196_0/}
}