@article{oai:kitami-it.repo.nii.ac.jp:00007084,
 author = {T., Kawamura and M., Shima},
 issue = {9},
 month = {Aug},
 pages = {5921--5932},
 title = {Stability analysis of the characteristic polynomials whose coefficients are polynomials of interval parameters via monotonicity methods},
 volume = {47},
 year = {2001}
}