Chapter XX. Arithmetic and Geometric Progressions and the Series allied to them.
Algebra Part 1, GDML_Books, (1889), p. 480 / Harvested from
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@article{PPN585262896+DMDLOG_0024,
     title = {Chapter XX. Arithmetic and Geometric Progressions and the Series allied to them.},
     booktitle = {Algebra Part 1},
     series = {GDML\_Books},
     publisher = {Black},
     address = {Edinburgh},
     year = {1889},
     pages = {480},
     url = {http://dml.mathdoc.fr/item/PPN585262896+DMDLOG_0024}
}

 (éd.). Chapter XX. Arithmetic and Geometric Progressions and the Series allied to them., dans Algebra Part 1, GDML_Books,  (1889), p. 480. http://gdmltest.u-ga.fr/item/PPN585262896+DMDLOG_0024/