Vorwort
Gesammelte Abhandlungen Bd. 1, GDML_Books, (1932), p. 63 / Harvested from
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@article{PPN237821559+dmdlog24,
     title = {Vorwort},
     booktitle = {Gesammelte Abhandlungen Bd. 1},
     series = {GDML\_Books},
     year = {1932},
     pages = {63},
     url = {http://dml.mathdoc.fr/item/PPN237821559+dmdlog24}
}

 (éd.). Vorwort, dans Gesammelte Abhandlungen Bd. 1, GDML_Books,  (1932), p. 63. http://gdmltest.u-ga.fr/item/PPN237821559+dmdlog24/