Einleitung.
Planimetrie Theil 2, GDML_Books, (1877), p. 1 / Harvested from
Access to full text 
@article{PPN592509036+DMDLOG_0003,
     title = {Einleitung.},
     booktitle = {Planimetrie Theil 2},
     series = {GDML\_Books},
     publisher = {Hirt},
     address = {Breslau},
     year = {1877},
     pages = {1},
     url = {http://dml.mathdoc.fr/item/PPN592509036+DMDLOG_0003}
}

 (éd.). Einleitung., dans Planimetrie Theil 2, GDML_Books,  (1877), p. 1. http://gdmltest.u-ga.fr/item/PPN592509036+DMDLOG_0003/