%0 Journal Article
%A JACK A. THORNE
%T Raising the level for $\def \xmlpi #1{}\def \mathsfbi #1{\boldsymbol {\mathsf {#1}}}\let \le =\leqslant \let \leq =\leqslant \let \ge =\geqslant \let \geq =\geqslant \def \Pr {\mathit {Pr}}\def \Fr {\mathit {Fr}}\def \Rey {\mathit {Re}}\text {GL}_{{n}}$
%J Forum of Mathematics, Sigma
%D 2014
%V 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1017/fms.2014.14/
%R 10.1017/fms.2014.14
%G en
%F 10_1017_fms_2014_14