@article{1029001826, author = {Olin, Robert F.}, title = {A class of pure subnormal operators.}, journal = {Michigan Math. J.}, volume = {24}, number = {1}, year = {1977}, pages = { 115-118}, language = {en}, url = {http://dml.mathdoc.fr/item/1029001826} }
Olin, Robert F. A class of pure subnormal operators.. Michigan Math. J., Tome 24 (1977) no. 1, pp. 115-118. http://gdmltest.u-ga.fr/item/1029001826/