Praefatio.
Leonhardi Euleri opera postuma mathematica et physica anno MDCCCXLIV detecta Tomus 1, GDML_Books, (1862), p. III / Harvested from
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@article{PPN584979606+DMDLOG_0003,
     title = {Praefatio.},
     booktitle = {Leonhardi Euleri opera postuma mathematica et physica anno MDCCCXLIV detecta Tomus 1},
     series = {GDML\_Books},
     publisher = {Leipzig : Voss},
     address = {Petropoli},
     year = {1862},
     pages = {III},
     url = {http://dml.mathdoc.fr/item/PPN584979606+DMDLOG_0003}
}

 (éd.). Praefatio., dans Leonhardi Euleri opera postuma mathematica et physica anno MDCCCXLIV detecta Tomus 1, GDML_Books,  (1862), p. III. http://gdmltest.u-ga.fr/item/PPN584979606+DMDLOG_0003/