@inbook{403668,
title = {1. kapitola. Niektor\'e poznatky z teorie \v c\'\i sel},
booktitle = {Dokonal\'e a spriatelen\'e \v c\'\i sla},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1969},
pages = {5-17},
language = {sk},
url = {http://dml.mathdoc.fr/item/403668}
}
(éd.). 1. kapitola. Niektoré poznatky z teorie čísel, dans Dokonalé a spriatelené čísla, GDML_Books, (1969), pp. 5-17. http://gdmltest.u-ga.fr/item/403668/