@article{MZ_1951__55_169245,
     author = {Karl Zeller},
     title = {\"Uber {Stetigkeit} von {Integraltransformationen.}},
     journal = {Mathematische Zeitschrift},
     pages = {167--182},
     year = {1951},
     volume = {55},
     url = {http://geodesic.mathdoc.fr/item/MZ_1951__55_169245/}
}