@article{10_1017_fms_2014_14, author = {JACK A. THORNE}, title = {Raising the level for $\def \xmlpi #1{}\def \mathsfbi #1{\boldsymbol {\mathsf {#1}}}\let \le =\leqslant \let \leq =\leqslant \let \ge =\geqslant \let \geq =\geqslant \def \Pr {\mathit {Pr}}\def \Fr {\mathit {Fr}}\def \Rey {\mathit {Re}}\text {GL}_{{n}}$}, journal = {Forum of Mathematics, Sigma}, publisher = {mathdoc}, volume = {2}, year = {2014}, doi = {10.1017/fms.2014.14}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1017/fms.2014.14/} }