@incollection{400571, title = {Obsah}, booktitle = {Matematika v 19. stolet\'\i }, series = {GDML\_Books}, publisher = {Prometheus}, address = {Praha}, year = {1996}, pages = {5-5}, url = {http://dml.mathdoc.fr/item/400571} }
(éd.). Obsah, dans Matematika v 19. století, GDML_Books, (1996), p. 5. http://gdmltest.u-ga.fr/item/400571/