@article{oai:repository.dl.itc.u-tokyo.ac.jp:00054314,
 author = {Kajiwara, Takashi and Kurata, Kazuhiro},
 issue = {2},
 journal = {Journal of Mathematical Sciences The University of Tokyo},
 month = {Jul},
 pages = {141--199},
 title = {A Singular Perturbation Problem for Heteroclinic Solutions to the FitzHugh-Nagumo Type Reaction-Diffusion System with Heterogeneity},
 volume = {26},
 year = {2019}
}