@inbook{400110, title = {Einf\"uhrende Betrachtungen}, booktitle = {Bernard Bolzano's Schriften}, series = {GDML\_Books}, publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk v Praze}, address = {Praha}, year = {1932}, pages = {[V]-XXVIII}, url = {http://dml.mathdoc.fr/item/400110} }
Kowalewski, Arnold. Einführende Betrachtungen, dans Bernard Bolzano's Schriften, GDML_Books, (1932), pp. [V]-XXVIII. http://gdmltest.u-ga.fr/item/400110/