%\input mssymb.tex %\font\Bbb=cmr10 %\font\frak=cmr10 \input amssym.def \input amssym.tex \documentstyle{amsppt} \centerline {\bf References} \Refs \ref \by R.~Abraham and J.~Marsden \book Foundations of Mechanics \publ Benjamin/Cummings \publaddr Reading, Massachusetts \yr 1978 \endref \ref \by J.~Adams \book Lectures on Lie Groups \publ W.~A.~Benjamin \publaddr New York \yr 1969 \endref \ref \by J.~Adams, D.~Barbasch, and D.~Vogan \book The Langlands Classification and Irreducible Characters for Real Reductive Groups \publ Birkh\"auser \publaddr Boston-Basel-Berlin \yr 1992 \endref \ref \by J.~Adams, J.-S.~Huang, and D.~Vogan \paper Functions on the model orbit in $E_8$ \jour Represent.\ Theory \vol 2 \yr 1998 \pages 224--263 \endref \ref \by J.~Adams and D.~Vogan \paper Harish-Chandra's method of descent to appear \endref \ref \by J.~Adams and D.~Vogan \paper L-groups, projective representations, and the Langlands classification \jour Amer.\ J.\ Math.\ \vol 114 \yr 1992 \pages 45--138 \endref \ref \by J.~Adams and D.~Vogan \paper Lifting of characters and Harish-Chandra's method of descent \paperinfo to appear \endref \ref \by M.~Andler \paper Relationships of divisibility between local L-functions associated to representations of complex reductive groups.'' \endref \ref \by A.~Andreotti and H.~Grauert \paper Th\'eor\`emes de finitude pour la cohomologie des espaces complexes \jour Bull.\ Soc.\ Math.\ France \vol 90 \yr 1962 \pages 193--259 \endref \ref \by V.~Arnold \book Mathematical Methods of Classical Mechanics \publ Springer-Verlag \publaddr New York-Heidelberg-Berlin \yr 1978 \endref \ref \by J.~Arthur \paper Eisenstein series and the trace formula" \inbook Automorphic Forms, Representations, and L-functions \bookinfo Proceedings of Symposia in Pure Mathematics \vol 33, part 2 \pages 27--61 \publ American Mathematical Society \publaddr Providence, Rhode Island \yr 1979 \endref \ref \by J.~Arthur \paper On some problems suggested by the trace formula \pages 1--49 \inbook Lie Group Representations II R.~Herb, R.~Lipsman, and J.~Rosenberg, eds. 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