Vorrede.
Die ebene Trigonometrie Band 3, GDML_Books, (1864), p. III / Harvested from
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@article{PPN593043049+DMDLOG_0002,
     title = {Vorrede.},
     booktitle = {Die ebene Trigonometrie Band 3},
     series = {GDML\_Books},
     publisher = {Hahn},
     year = {1864},
     pages = {III},
     url = {http://dml.mathdoc.fr/item/PPN593043049+DMDLOG_0002}
}

 (éd.). Vorrede., dans Die ebene Trigonometrie Band 3, GDML_Books,  (1864), p. III. http://gdmltest.u-ga.fr/item/PPN593043049+DMDLOG_0002/