PageHeader : $\mathrm{F}\mathrm{u}\dot{\mathrm{n}}$ kcialaj Ekvacioj, 18 (1975) 257-270 Title : Asymptotic SimpliIcation of Linear Hamiltonian Title : Differential Equations with a Parameter AuthorInfo : By Wolfgang WASOW AuthorInfo : (University of Wisconsin, U. S. A. and University of Tokyo, Japan) section : 1. Introduction section : 2. Hypotheses and a Preliminary Transformation section : 3. Complete Formal Block-Diagonalization section : 4. Analytic Block-Diagonalization section : 5. Proof of Theorem 2. 1 section : Bibliography