Einleitung
Winter, Eduard
Bernard Bolzano's Schriften, GDML_Books, (1935), p. VII-XX / Harvested from
@inbook{400212,
     title = {Einleitung},
     booktitle = {Bernard Bolzano's Schriften},
     series = {GDML\_Books},
     publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk},
     address = {Praha},
     year = {1935},
     pages = {VII-XX},
     url = {http://dml.mathdoc.fr/item/400212}
}
Winter, Eduard. Einleitung, dans Bernard Bolzano's Schriften, GDML_Books,  (1935), pp. VII-XX. http://gdmltest.u-ga.fr/item/400212/