@inbook{404129,
title = {P\v redmluva},
booktitle = {Nerovnosti v troj\'uheln\'\i ku},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1986},
pages = {3-[4]},
url = {http://dml.mathdoc.fr/item/404129}
}
(éd.). Předmluva, dans Nerovnosti v trojúhelníku, GDML_Books, (1986), pp. 3-[4]. http://gdmltest.u-ga.fr/item/404129/