%0 Journal Article %A Perrot, Denis %T Secondary invariants for Frechet algebras and quasihomomorphisms %J Documenta mathematica %D 2008 %P 275-363 %V 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2008__13__a13/ %G en %F DOCMA_2008__13__a13