@article{oai:repository.dl.itc.u-tokyo.ac.jp:00021651,
 author = {HANGAI, Yasuhiko and KAWAMATA, Shigeya},
 issue = {12},
 journal = {生産研究},
 month = {Dec},
 note = {application/pdf},
 pages = {523--527},
 title = {研究速報 : A METHOD OF BIFURCATION ANALYSIS IN PERTURBATION TECHNIQUE},
 volume = {24},
 year = {1972}
}