@inbook{403969, title = {VI. kapitola. Princip inkluze a exkluze}, booktitle = {Kombinatorika}, series = {GDML\_Books}, publisher = {Mlad\'a fronta}, address = {Praha}, year = {1980}, pages = {48-56}, url = {http://dml.mathdoc.fr/item/403969} }
(éd.). VI. kapitola. Princip inkluze a exkluze, dans Kombinatorika, GDML_Books, (1980), pp. 48-56. http://gdmltest.u-ga.fr/item/403969/