@inbook{403671,
title = {Literat\'ura},
booktitle = {Dokonal\'e a spriatelen\'e \v c\'\i sla},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1969},
pages = {47-48},
language = {sk},
url = {http://dml.mathdoc.fr/item/403671}
}
(éd.). Literatúra, dans Dokonalé a spriatelené čísla, GDML_Books, (1969), pp. 47-48. http://gdmltest.u-ga.fr/item/403671/