@inbook{400210, title = {11. Bolzano an Exner}, booktitle = {Bernard Bolzano's Schriften}, series = {GDML\_Books}, publisher = {Kr\'alovsk\'a \v cesk\'a spole\v cnost nauk}, address = {Praha}, year = {1935}, pages = {62-71}, url = {http://dml.mathdoc.fr/item/400210} }
Bolzano, Bernard. 11. Bolzano an Exner, dans Bernard Bolzano's Schriften, GDML_Books, (1935), pp. 62-71. http://gdmltest.u-ga.fr/item/400210/