@article{GDZPPN002355639,
title = {A strongly annular function with countably many singular values.},
journal = {Mathematica Scandinavica},
volume = {44},
year = {1979},
pages = {330-334},
zbl = {0428.30019},
url = {http://dml.mathdoc.fr/item/GDZPPN002355639}
}
Carroll, F.W. A strongly annular function with countably many singular values.. Mathematica Scandinavica, Tome 44 (1979) pp. 330-334. http://gdmltest.u-ga.fr/item/GDZPPN002355639/