@inbook{400229,
title = {Pr\'eface de l'\'Editeur},
booktitle = {Bernard Bolzano's Schriften},
series = {GDML\_Books},
publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk v Praze},
address = {Praha},
year = {1948},
pages = {1-[4]},
language = {fr},
url = {http://dml.mathdoc.fr/item/400229}
}
Vojtěch, Jan. Préface de l'Éditeur, dans Bernard Bolzano's Schriften, GDML_Books, (1948), pp. 1-[4]. http://gdmltest.u-ga.fr/item/400229/