@article{oai:niigata-u.repo.nii.ac.jp:00002084,
 author = {Cho, Muneo and Huruya, Tadashi},
 issue = {1},
 journal = {Journal of the Mathematical Society of Japan},
 month = {},
 note = {The purpose of this paper is to introduce mosaics of log-hyponormal operators and give a Helton-Howe type trace formula.},
 pages = {255--268},
 title = {Mosaic and trace formulae of log-hyponormal operators},
 volume = {55},
 year = {2003}
}