@article{JRAM_1924__153_149544,
     author = {Bernhard von Ludwig},
     title = {Zur {Theorie} des {Malfattischen} {Problems.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {175--183},
     publisher = {mathdoc},
     volume = {153},
     year = {1924},
     zbl = {50.0400.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1924__153_149544/}
}