Skalar- und Vektorfelder, rationelle Vektoranalysis.
Geometrie Bd. 2, GDML_Books, (1968), p. 68 / Harvested from
Access to full text 
@article{PPN37649882X+dmdlog41,
     title = {Skalar- und Vektorfelder, rationelle Vektoranalysis.},
     booktitle = {Geometrie Bd. 2},
     series = {GDML\_Books},
     year = {1968},
     pages = {68},
     url = {http://dml.mathdoc.fr/item/PPN37649882X+dmdlog41}
}

 (éd.). Skalar- und Vektorfelder, rationelle Vektoranalysis., dans Geometrie Bd. 2, GDML_Books,  (1968), p. 68. http://gdmltest.u-ga.fr/item/PPN37649882X+dmdlog41/