@article{JRAM_1935__173_149915,
     author = {Karl B\"ogel},
     title = {\"Uber mehrdimensionale {Differentiation,} {Integration} und beschr\"ankte {Variation.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {5--30},
     publisher = {mathdoc},
     volume = {173},
     year = {1935},
     zbl = {0011.05903},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1935__173_149915/}
}