Legendres Nachfolger.
Geometrie Bd. 2, GDML_Books, (1968), p. 241 / Harvested from
Access to full text 
@article{PPN37649882X+dmdlog132,
     title = {Legendres Nachfolger.},
     booktitle = {Geometrie Bd. 2},
     series = {GDML\_Books},
     year = {1968},
     pages = {241},
     url = {http://dml.mathdoc.fr/item/PPN37649882X+dmdlog132}
}

 (éd.). Legendres Nachfolger., dans Geometrie Bd. 2, GDML_Books,  (1968), p. 241. http://gdmltest.u-ga.fr/item/PPN37649882X+dmdlog132/