@article{oai:omu.repo.nii.ac.jp:00008615,
 author = {Yamada, Syoichiro and Umezu, Akira and Ono, Tetsuo and Kasai, Tamotsu},
 issue = {1},
 journal = {Bulletin of University of Osaka Prefecture. Series A, Engineering and natural sciences},
 month = {Oct},
 note = {application/pdf, Bulletin of University of Osaka Prefecture. Series A, Engineering and natural sciences. 1982, 31(1), p.37-46},
 pages = {37--46},
 title = {Approximation Methods for Finding a Hamiltonian Walk with Minimum Cost},
 volume = {31},
 year = {1982}
}