@article{MZ_1938__43_168780,
     author = {Dr. J., Groningen (Holland), K Ridder},
     title = {Das spezielle {Perron-Stieltjessche} {Integral}},
     journal = {Mathematische Zeitschrift},
     pages = {637--681},
     publisher = {mathdoc},
     volume = {43},
     year = {1938},
     zbl = {0018.24901},
     url = {http://geodesic.mathdoc.fr/item/MZ_1938__43_168780/}
}