@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039633,
 author = {Murayama, Reiji},
 issue = {2},
 journal = {Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics = 東京大学理学部紀要. 第1類A, 数学},
 month = {Sep},
 note = {application/pdf},
 pages = {317--330},
 title = {The Gel'fand-Levitan theory and certatin inverse problems for the parabolic equation},
 volume = {28},
 year = {1981}
}