@article{CMH_1963__38_139270,
     author = {Helmut R\"ohrl},
     title = {...-degenerate singular integral equations and holomorphic affine bundles over compact {RIEMANN} surfaces. {I.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {84--120},
     publisher = {mathdoc},
     volume = {38},
     year = {1963},
     url = {http://geodesic.mathdoc.fr/item/CMH_1963__38_139270/}
}