%0 Journal Article
%A D. V. Goryashin
%T Summation of the Euler function values over numbers of the form $p-1$
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2009
%P 63-65
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2009_1_a12/
%G ru
%F VMUMM_2009_1_a12