@inbook{402876,
title = {\'Uvod},
booktitle = {Pythagorova v\v eta},
series = {GDML\_Books},
publisher = {Jednota \v ceskoslovensk\'ych matematik\r u a fyzik\r u},
address = {Praha},
year = {1949},
pages = {3-5},
url = {http://dml.mathdoc.fr/item/402876}
}
(éd.). Úvod, dans Pythagorova věta, GDML_Books, (1949), pp. 3-5. http://gdmltest.u-ga.fr/item/402876/