Noten zur Elementar Geometrie.
Die Elementar-Geometrie Bd. 1,3, GDML_Books, (1839), p. 139 / Harvested from
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@article{PPN597844887+DMDLOG_0007,
     title = {Noten zur Elementar Geometrie.},
     booktitle = {Die Elementar-Geometrie Bd. 1,3},
     series = {GDML\_Books},
     publisher = {Dalp},
     address = {Leipzig},
     year = {1839},
     pages = {139},
     url = {http://dml.mathdoc.fr/item/PPN597844887+DMDLOG_0007}
}

 (éd.). Noten zur Elementar Geometrie., dans Die Elementar-Geometrie Bd. 1,3, GDML_Books,  (1839), p. 139. http://gdmltest.u-ga.fr/item/PPN597844887+DMDLOG_0007/