PageHeader : Funkcialaj Ekvacioj, 22 (1979), 95-119 Title : On a Pfaffian System Containing Parameters AuthorInfo : By AuthorInfo : Shun SHIMOMURA AuthorInfo : (University of Tokyo, Japan) section : Introduction section : Chapter I. Preliminaries subsection : 1. Asymptotic expansions in powers of several parameters subsection : 2. Simultaneous block-diagonalization of mutually commutable matrices section : Chapter II. Formal block-diagonalization of a Pfaffian system subsection : 3. Formal block-diagonalization subsection : 4. Proof of Theorem 3.1 subsection : 5. Sketch of the proof for Theorem 3.2 section : Chapter III. Block-diagonalization of a Pfaffian system subsection : 6. Analytic block-diagonalization subsection : 7. Proof of Theorem 6.1 subsection : 8. Outline of the proof of Theorem 6.2 section : Bibliographies