@inbook{403430,
title = {Probl\'emy},
booktitle = {N\v ekolik \'uloh z geometrie jednoduch\'ych t\v eles},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1961},
pages = {88-90},
url = {http://dml.mathdoc.fr/item/403430}
}
(éd.). Problémy, dans Několik úloh z geometrie jednoduchých těles, GDML_Books, (1961), pp. 88-90. http://gdmltest.u-ga.fr/item/403430/