Estimates for the spectrum of normal operators
Doklady Akademii Nauk, Tome 157 (1964) no. 2, pp. 284-287
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@article{DAN_1964_157_2_a12,
author = {Karl-Peter Hadeler},
title = {Estimates for the spectrum of normal operators},
journal = {Doklady Akademii Nauk},
pages = {284--287},
publisher = {mathdoc},
volume = {157},
number = {2},
year = {1964},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1964_157_2_a12/}
}
Karl-Peter Hadeler. Estimates for the spectrum of normal operators. Doklady Akademii Nauk, Tome 157 (1964) no. 2, pp. 284-287. http://geodesic.mathdoc.fr/item/DAN_1964_157_2_a12/