@article{JRAM_1987__0375_0376_152917,
     author = {Klaus Menke},
     title = {Distortion theorems for functions schlicht in an annulus.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {346--361},
     publisher = {mathdoc},
     volume = {0375_0376},
     year = {1987},
     zbl = {0601.30021},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1987__0375_0376_152917/}
}