%0 Journal Article
%A Carl Pomerance
%T On the congruences $σ(n) ≡ a (mod n)$ and $n ≡ a (mod φ(n))$
%J Acta Arithmetica
%D 1974
%P 265-272
%V 26
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa-26-3-265-272/
%R 10.4064/aa-26-3-265-272
%G en
%F 10_4064_aa_26_3_265_272