Amreion, Werner O Co-groups,commutator methods and spectral theory of N-body hamiltonians - New York: Springer, 1996 - xiii,460p.: ill.; 23cm. Includes bibliography and index ISBN: 978-3-0348-0732-6 Subjects--Topical Terms: Spectral theory ( mathematics) LC Class. No.: MATH QA329.2.A57 1996