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@article{MS2_1979__44_166652, author = {F.W. Carroll}, title = {A strongly annular function with countably many singular values.}, journal = {Mathematica Scandinavica}, pages = {330--334}, publisher = {mathdoc}, volume = {44}, year = {1979}, zbl = {0428.30019}, url = {http://geodesic.mathdoc.fr/item/MS2_1979__44_166652/} }
F.W. Carroll. A strongly annular function with countably many singular values.. Mathematica Scandinavica, Tome 44 (1979), pp. 330-334. http://geodesic.mathdoc.fr/item/MS2_1979__44_166652/