@article{1195525063, author = {Kato, Tosio}, title = {Perturbation of continuous spectra by Trace class operators}, journal = {Proc. Japan Acad.}, volume = {33}, number = {10}, year = {1957}, pages = { 260-264}, language = {en}, url = {http://dml.mathdoc.fr/item/1195525063} }
Kato, Tosio. Perturbation of continuous spectra by Trace class operators. Proc. Japan Acad., Tome 33 (1957) no. 10, pp. 260-264. http://gdmltest.u-ga.fr/item/1195525063/