@article{oai:repository.dl.itc.u-tokyo.ac.jp:00041047,
 author = {Kako, Takashi},
 journal = {Scientific papers of the College of General Education, University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {73--89},
 title = {Spectral and Scattering Theory for a Class of Non-Selfadjoint Operators},
 volume = {26},
 year = {1976}
}