@book{400336, title = {Bernard Bolzano's Schriften}, series = {GDML\_Books}, publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk}, address = {Praha}, year = {1935}, language = {de}, url = {http://dml.mathdoc.fr/item/400336} }
Bolzano, Bernard; Exner, František. Bernard Bolzano's Schriften. GDML_Books (1935), http://gdmltest.u-ga.fr/item/400336/