@misc{BovierGayrardKlein2004, author = {Anton Bovier and Veronique Gayrard and Markus Klein}, title = {Metastability in reversible diffusion processes II. Precise estimates for small eigenvalues}, institution = {Weierstraß-Institut f{\"u}r Angewandte Analysis und Stochastik (WIAS)}, type = {preprintmatheon}, year = {2004}, }