%0 Journal Article
%A Agnihotri, Rishabh
%A Chakraborty, Kalyan
%T Sign changes of certain arithmetical function at prime powers
%J Czechoslovak Mathematical Journal
%D 2021
%P 1221-1228
%V 71
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0398-20/
%R 10.21136/CMJ.2021.0398-20
%G en
%F 10_21136_CMJ_2021_0398_20