%0 Journal Article %A Besson, Gérard %A Courtois, Gilles %A Gallot, Sylvestre %T Hyperbolic manifolds, amalgamated products and critical exponents %J Comptes Rendus. Mathématique %D 2003 %P 257-261 %V 336 %N 3 %I Elsevier %U http://www.numdam.org/articles/10.1016/S1631-073X(02)00019-5/ %R 10.1016/S1631-073X(02)00019-5 %G en %F CRMATH_2003__336_3_257_0