@article{oai:repository.dl.itc.u-tokyo.ac.jp:00041071,
 author = {Ushijima, Teruo},
 journal = {Scientific papers of the College of General Education, University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {155--159},
 title = {Note on the Integration of the Wave Equation},
 volume = {17},
 year = {1967}
}