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Levitin, Michael Topics in spectral geometry Providence, Rhode Island : American Mathematical Society, 2023. xviii, 325 p. -- (Graduate studies in mathematics ; vol. 237) QA614.95 L485 |

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Levitin, Michael Topics in spectral geometry Providence, Rhode Island : American Mathematical Society, 2023. xviii, 325 p. -- (Graduate studies in mathematics ; vol. 237) QA614.95 L485 |