%0 Journal Article
%A M.J. Tomkinson
%T Groups as the union of proper subgroups.
%J Mathematica Scandinavica
%D 1998
%P 191-198
%V 81
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1998__81_2_167435/
%F MS2_1998__81_2_167435