@inbook{404135,
title = {Cvi\v cen\'\i },
booktitle = {Nerovnosti v troj\'uheln\'\i ku},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1986},
pages = {106-110},
url = {http://dml.mathdoc.fr/item/404135}
}
(éd.). Cvičení, dans Nerovnosti v trojúhelníku, GDML_Books, (1986), pp. 106-110. http://gdmltest.u-ga.fr/item/404135/