I. Die anschauliche Mathematik.
Die Mathematik Theil 1, GDML_Books, (1895), p. 1 / Harvested from
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@article{PPN517627590+dmdlog7,
     title = {I. Die anschauliche Mathematik.},
     booktitle = {Die Mathematik Theil 1},
     series = {GDML\_Books},
     year = {1895},
     pages = {1},
     url = {http://dml.mathdoc.fr/item/PPN517627590+dmdlog7}
}

 (éd.). I. Die anschauliche Mathematik., dans Die Mathematik Theil 1, GDML_Books,  (1895), p. 1. http://gdmltest.u-ga.fr/item/PPN517627590+dmdlog7/