@book{400333,
title = {Bernard Bolzano's Schriften},
series = {GDML\_Books},
publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk v Praze},
address = {Praha},
year = {1930},
language = {de},
url = {http://dml.mathdoc.fr/item/400333}
}
Bolzano, Bernard. Bernard Bolzano's Schriften. GDML_Books (1930), http://gdmltest.u-ga.fr/item/400333/