PageHeader : Funkcialaj Ekvacioj, 21 (1978), 105-137 section : 0. Introduction section : Table of contents section : 1. Preliminary section : 2. Classification of automorphisms in Aut (D) section : 3. Discrete subgroups of $G$ generated by unitary reflections section : 4. Structure of $\Gamma$ section : 6. Regularity of $D/\Gamma\cup\{P\}$ section : 7. Coordinate representation of the local ring at $P$ section : 8. Fuchsian system with the monodromy group $\Gamma$ section : References