@article{MS2_1982__50_166783,
     author = {Akio Osada},
     title = {Strongly annular functions with given singular values.},
     journal = {Mathematica Scandinavica},
     pages = {73--78},
     year = {1982},
     volume = {50},
     zbl = {0489.30029},
     url = {http://geodesic.mathdoc.fr/item/MS2_1982__50_166783/}
}