@article{IM_1979__51_142619,
     author = {A. Marden and B. Maskit},
     title = {On the {Isomorphism} {Theorem} for {Kleinian} {Groups.}},
     journal = {Inventiones mathematicae},
     pages = {9--14},
     publisher = {mathdoc},
     volume = {51},
     year = {1979},
     zbl = {0399.30037},
     url = {http://geodesic.mathdoc.fr/item/IM_1979__51_142619/}
}