%0 Journal Article
%A Andruszkiewicz, Ryszard R.
%A Kȩpczyk, Marek
%T On rings which are sums of subrings
%J Canadian mathematical bulletin
%D 2025
%P 874-882
%V 68
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/S0008439525000177/
%R 10.4153/S0008439525000177
%F 10_4153_S0008439525000177