@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039891,
 author = {Konno, Reiji and Kuroda, S. T.},
 issue = {1},
 journal = {Journal of the Faculty of Science, University of Tokyo. Sect. 1, Mathematics, astronomy, physics, chemistry = 東京大學理學部紀要. 第1類, 數學, 天文學, 物理學, 化學},
 month = {Sep},
 note = {application/pdf},
 pages = {55--63},
 title = {On the finiteness of perturbed eigenvalues},
 volume = {13},
 year = {1966}
}