%0 Journal Article
%A Lars Ernström
%T The spectrum associated to a radical operation.
%J Mathematica Scandinavica
%D 1993
%P 5-14
%V 73
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1993__73_2_167252/
%F MS2_1993__73_2_167252