@inbook{403677,
title = {P\v redmluva},
booktitle = {Odd\v elitelnost mno\v zin},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1969},
pages = {3-4},
url = {http://dml.mathdoc.fr/item/403677}
}
(éd.). Předmluva, dans Oddělitelnost množin, GDML_Books, (1969), pp. 3-4. http://gdmltest.u-ga.fr/item/403677/