%0 Journal Article %A Ringseth, Paul F. %T On the Analytic Continuation of c-Functions %J Canadian journal of mathematics %D 1988 %P 513-531 %V 40 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-022-5/ %R 10.4153/CJM-1988-022-5 %F 10_4153_CJM_1988_022_5