@article{JRAM_1986__367_152833,
     author = {Carl C. Cowen},
     title = {More subnormal {Toeplitz} operators.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {215--219},
     publisher = {mathdoc},
     volume = {367},
     year = {1986},
     zbl = {0577.47025},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1986__367_152833/}
}