Planimetrie.
Kongruenz Heft 1, GDML_Books, (1889), p. 3 / Harvested from
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@article{PPN622650963+DMDLOG_0004,
     title = {Planimetrie.},
     booktitle = {Kongruenz Heft 1},
     series = {GDML\_Books},
     publisher = {Nebert},
     address = {Halle},
     year = {1889},
     pages = {3},
     url = {http://dml.mathdoc.fr/item/PPN622650963+DMDLOG_0004}
}

 (éd.). Planimetrie., dans Kongruenz Heft 1, GDML_Books,  (1889), p. 3. http://gdmltest.u-ga.fr/item/PPN622650963+DMDLOG_0004/