@book{PPN597788405,
title = {In Quo Methodus Inveniendi Functiones Duarum et Plurium Variabilium, ex Data Relatione Differentialium Cuiusvis Gradus Pertractatur Volumen 3},
series = {GDML\_Books},
publisher = {Academia Imperialis Scientiarum},
address = {Petropoli},
year = {1793},
language = {la},
url = {http://dml.mathdoc.fr/item/PPN597788405}
}
Euler, Leonhard. In Quo Methodus Inveniendi Functiones Duarum et Plurium Variabilium, ex Data Relatione Differentialium Cuiusvis Gradus Pertractatur Volumen 3. GDML_Books (1793), http://gdmltest.u-ga.fr/item/PPN597788405/