@article{oai:teapot.lib.ocha.ac.jp:00034765,
 author = {Iwata, Giiti},
 issue = {1},
 journal = {お茶の水女子大學自然科學報告},
 month = {Jul},
 note = {application/pdf, 紀要論文},
 pages = {67--89},
 title = {Some Initial Value Problems in Wave Propagation},
 volume = {37},
 year = {1986}
}