@inbook{403042,
title = {14. Aritmetick\'a paradoxa a sofismata},
booktitle = {Aritmetick\'e hry a z\'abavy},
series = {GDML\_Books},
publisher = {Jednota \v cesk\'ych matematik\r u a fysik\r u},
address = {Praha},
year = {1942},
pages = {67-[74]},
url = {http://dml.mathdoc.fr/item/403042}
}
(éd.). 14. Aritmetická paradoxa a sofismata, dans Aritmetické hry a zábavy, GDML_Books, (1942), pp. 67-[74]. http://gdmltest.u-ga.fr/item/403042/