Kapitel XLIV. Jordanus Nemorarius: De numeris datis. De triangulis.
Von 1200 - 1668 Bd. 2, GDML_Books, (1892), p. 61 / Harvested from
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@article{PPN517628244+dmdlog9,
     title = {Kapitel XLIV. Jordanus Nemorarius: De numeris datis. De triangulis.},
     booktitle = {Von 1200 - 1668 Bd. 2},
     series = {GDML\_Books},
     year = {1892},
     pages = {61},
     url = {http://dml.mathdoc.fr/item/PPN517628244+dmdlog9}
}

 (éd.). Kapitel XLIV. Jordanus Nemorarius: De numeris datis. De triangulis., dans Von 1200 - 1668 Bd. 2, GDML_Books,  (1892), p. 61. http://gdmltest.u-ga.fr/item/PPN517628244+dmdlog9/