@article{IM_1982__67_142917,
     author = {Klas Diederich and John E. Fornaess},
     title = {Boundary {Regularity} of {Proper} {Holomorphic} {Mappings.}},
     journal = {Inventiones mathematicae},
     pages = {363--384},
     publisher = {mathdoc},
     volume = {67},
     year = {1982},
     zbl = {0501.32010},
     url = {http://geodesic.mathdoc.fr/item/IM_1982__67_142917/}
}