@article{bwmeta1.element.desklight-68d0905b-ebcf-4b0b-b7a3-b69c3a2504cd,
author = {M. Altman},
title = {The cosine equation method for the eigenproblem of bounded normal operators in Hilbert space},
journal = {Annales Polonici Mathematici},
volume = {17},
year = {1965},
pages = {353-357},
zbl = {0135.36602},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-68d0905b-ebcf-4b0b-b7a3-b69c3a2504cd}
}
M. Altman. The cosine equation method for the eigenproblem of bounded normal operators in Hilbert space. Annales Polonici Mathematici, Tome 17 (1965) pp. 353-357. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-68d0905b-ebcf-4b0b-b7a3-b69c3a2504cd/