TY - GEN AU - Rabinowitz, P. H. TI - PERIODIC SOLUTIONS OF HAMILTONIAN SYSTEMS AND RELATED TOPICS U1 - 515.352 PY - 1987/// CY - Dordrecht PB - D. Reidel KW - Hamiltonian Systems -- Cong KW - Periodic Functions -- Cong N1 - Pub. In Cooperation With Nato Scientific Affairs Division ER -