Estimates and Asymptotics for Discrete Spectra of Integral and Differential Equations / / M.Sh.Birman.-Providence : : American Mathematical Society, , 1991.
204 p. ; ; 29cm.
ISBN 0-8218-4106-8 :RMB 12.00.
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正题名:Estimates and Asymptotics for Discrete S
索取号:O158/B617
 
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