Recommended citation for this document

Buss, Samuel R. ; Chen, Yijia ; Flum, Jörg ; Friedman, Sy D. ; Müller, Moritz. "Strong isomorphism reductions in complexity theory". Centre de Recerca Matemàtica. 2011. <http://hdl.handle.net/2072/169477>. [Consulta: 26-05-13].