Inclusion theorems for the eigenvalues of some operators depending quadratically on a parameter
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| Published in | Lithuanian mathematical journal Vol. 13; no. 3; pp. 473 - 480 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.07.1973
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| Online Access | Get full text |
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| ISSN: | 0363-1672 1573-8825 |
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| DOI: | 10.1007/BF01563438 |