@article{oai:repository.dl.itc.u-tokyo.ac.jp:00041074,
 author = {Ushijima, Teruo},
 journal = {Scientific papers of the College of General Education, University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {127--133},
 title = {On the Spectrum of Some Hamiltonian Operator},
 volume = {16},
 year = {1966}
}