Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1964__9_1_a0, author = {\v{S}al\'at, Tibor}, title = {O dokonal\'ych \v{c}{\'\i}slach}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {1--13}, publisher = {mathdoc}, volume = {09}, number = {1}, year = {1964}, zbl = {0156.04704}, language = {sl}, url = {http://geodesic.mathdoc.fr/item/PMFA_1964__9_1_a0/} }
Šalát, Tibor. O dokonalých číslach. Pokroky matematiky, fyziky a astronomie, Tome 09 (1964) no. 1, pp. 1-13. http://geodesic.mathdoc.fr/item/PMFA_1964__9_1_a0/