@article{05935424,
title = {On subnormal operators whose spectrum are multiply connected domains.},
journal = {The New York Journal of Mathematics [electronic only]},
volume = {17},
year = {2011},
pages = {177-191},
zbl = {1230.47041},
language = {en},
url = {http://dml.mathdoc.fr/item/05935424}
}
Carlsson, M. On subnormal operators whose spectrum are multiply connected domains.. The New York Journal of Mathematics [electronic only], Tome 17 (2011) pp. 177-191. http://gdmltest.u-ga.fr/item/05935424/