TY - JOUR AU - Helmut Röhrl TI - ...-degenerate singular integral equations and holomorphic affine bundles over compact RIEMANN surfaces. I. JO - Commentarii mathematici Helvetici PY - 1963 SP - 84 EP - 120 VL - 38 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1963__38_139270/ ID - CMH_1963__38_139270 ER -