00631nam a2200181Ia 4500003000900000008004100009020002200050040001600072080002300088245013200111260002900243300001500272490005100287650003600338650002700374650001700401700003100418IN-BaIIA211028s9999 xx 000 0 eng d a978-0-387-38900-8 cIIA Library a52(082.1)bASS-345 0aCanonical perturbation theoriesbdegenerate systems and resonancecedited by Sylvio Ferraz-Mello  aNew YorkbSpringerc2007 axiv, 341p. aAstrophysics and space science library; v. 345 aClassical perturbation theories aHamilton-Jacobi theory aLie mappings aFerraz-Mello, Sylvio., ed.