Kapitel LXXXI. Gregorius a Sto. Vincentio. Wallis. Pascal. De Sluse. Hudde. Van Heuraet.
Von 1200 - 1668 Bd. 2, GDML_Books, (1892), p. 816 / Harvested from
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@article{PPN517628244+dmdlog53,
     title = {Kapitel LXXXI. Gregorius a Sto. Vincentio. Wallis. Pascal. De Sluse. Hudde. Van Heuraet.},
     booktitle = {Von 1200 - 1668 Bd. 2},
     series = {GDML\_Books},
     year = {1892},
     pages = {816},
     url = {http://dml.mathdoc.fr/item/PPN517628244+dmdlog53}
}

 (éd.). Kapitel LXXXI. Gregorius a Sto. Vincentio. Wallis. Pascal. De Sluse. Hudde. Van Heuraet., dans Von 1200 - 1668 Bd. 2, GDML_Books,  (1892), p. 816. http://gdmltest.u-ga.fr/item/PPN517628244+dmdlog53/