@inbook{402906,
title = {Cvi\v cen\'\i },
booktitle = {Geometrick\'a m\'\i sta},
series = {GDML\_Books},
publisher = {Jednota \v ceskoslovensk\'ych matematik\r u a fyzik\r u},
address = {Praha},
year = {1950},
pages = {28-30},
url = {http://dml.mathdoc.fr/item/402906}
}
(éd.). Cvičení, dans Geometrická místa, GDML_Books, (1950), pp. 28-30. http://gdmltest.u-ga.fr/item/402906/