Planimetrie.
Leitfaden der Elementar-Mathematik Teil 1, GDML_Books, (1882), p. 43 / Harvested from
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@article{PPN622645943+DMDLOG_0003,
     title = {Planimetrie.},
     booktitle = {Leitfaden der Elementar-Mathematik Teil 1},
     series = {GDML\_Books},
     publisher = {Schmidt},
     address = {Helmstedt},
     year = {1882},
     pages = {43},
     url = {http://dml.mathdoc.fr/item/PPN622645943+DMDLOG_0003}
}

 (éd.). Planimetrie., dans Leitfaden der Elementar-Mathematik Teil 1, GDML_Books,  (1882), p. 43. http://gdmltest.u-ga.fr/item/PPN622645943+DMDLOG_0003/