@article{MZ_1932__35_168359,
     author = {H., Falckenberg},
     title = {Die {Anzahl} der {Nullstellen} der {Hankelschen} {Funktionen}},
     journal = {Mathematische Zeitschrift},
     pages = {457--463},
     publisher = {mathdoc},
     volume = {35},
     year = {1932},
     zbl = {0005.16103},
     url = {http://geodesic.mathdoc.fr/item/MZ_1932__35_168359/}
}