@book{PPN589112414,
title = {Planches Tome 2},
series = {GDML\_Books},
publisher = {Bachelier},
address = {Paris},
year = {1850},
language = {fr},
url = {http://dml.mathdoc.fr/item/PPN589112414}
}
Leroy, Charles F. Planches Tome 2. GDML_Books (1850), http://gdmltest.u-ga.fr/item/PPN589112414/