Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{MV_1965_17_3_a10, author = {W. Sierpi and n and ski}, title = {Sur les nombres pseudoparfaits}, journal = {Matemati\v{c}ki vesnik}, pages = {212 }, publisher = {mathdoc}, volume = {17}, number = {3}, year = {1965}, url = {http://geodesic.mathdoc.fr/item/MV_1965_17_3_a10/} }
W. Sierpi; n; ski. Sur les nombres pseudoparfaits. Matematički vesnik, Tome 17 (1965) no. 3, p. 212 . http://geodesic.mathdoc.fr/item/MV_1965_17_3_a10/