Fig. 2
Mathematische Physik Bd. 5, GDML_Books, (1867), / Harvested from
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@article{PPN236006339+dmdlog12,
     title = {Fig. 2},
     booktitle = {Mathematische Physik Bd. 5},
     series = {GDML\_Books},
     year = {1867},
     url = {http://dml.mathdoc.fr/item/PPN236006339+dmdlog12}
}

 (éd.). Fig. 2, dans Mathematische Physik Bd. 5, GDML_Books,  (1867), . http://gdmltest.u-ga.fr/item/PPN236006339+dmdlog12/