@article{oai:u-ryukyu.repo.nii.ac.jp:02001053,
 author = {Kudaka, Shoju and Matsumoto, Shuichi},
 issue = {8},
 journal = {Journal of mathematical physics},
 month = {Aug},
 note = {論文},
 pages = {3978--3979},
 title = {Response to "Comment on 'Uncertainty principle for proper time and mass' "},
 volume = {42},
 year = {2001}
}