A Unified Approach to Linear and Nonlinear Normal Forms for Hamiltonian Systems

Journal of Symbolic Computation - Tập 27 - Trang 49-131 - 1999
R.C. CHURCHILL1, M. KUMMER2
1Department of Mathematics, Hunter College and Graduate Center, CUNY, 695 Park Avenue, New York, 10021, U.S.A.
2Department of Mathematics, University of Toldeo, Toledo, OH, 43606, U.S.A.