%0 Journal Article
%A J. Musiałek
%T On some three-harmonic potential for circular ring
%J Commentationes Mathematicae
%D 1981
%P  305-306
%V 22
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/cm.v22i2.6027/
%R 10.14708/cm.v22i2.6027
%G pl
%F 10_14708_cm_v22i2_6027