@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040349,
 author = {Kumano-go, Naoto},
 issue = {2},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {441--498},
 title = {A construction of the fundamental solution for Schrödinger equations},
 volume = {2},
 year = {1995}
}