Sectio IV. Trigonometria.
Geometria Tomus 2, GDML_Books, (1801), p. 129 / Harvested from
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@article{PPN591235048+DMDLOG_0008,
     title = {Sectio IV. Trigonometria.},
     booktitle = {Geometria Tomus 2},
     series = {GDML\_Books},
     publisher = {Weber},
     address = {Posonii},
     year = {1801},
     pages = {129},
     url = {http://dml.mathdoc.fr/item/PPN591235048+DMDLOG_0008}
}

 (éd.). Sectio IV. Trigonometria., dans Geometria Tomus 2, GDML_Books,  (1801), p. 129. http://gdmltest.u-ga.fr/item/PPN591235048+DMDLOG_0008/