Corrigendum to "A note on some properties of the functions φ(n), σ(n) and θ(n)'' by A. Schinzel and Y. Wang (these Annales 4 (1958))
Volume 19 / 1967
Annales Polonici Mathematici 19 (1967), 115
DOI: 10.4064/ap-19-1-115
