2024-03-29T10:35:33Z
https://oai.zbmath.org/v1/
oai:zbmath.org:3855609
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35
Ya.A.Rojtberg
Sukhinin, S. V.
1984
3855609
English
Consultants Bureau, New York
https://zbmath.org/03855609
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J. Sov. Math. 24, 386-389 (1984); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 117, 192-197 (1981).
35P25; 35J05
Discreteness of the eigenfrequencies of scattering by a periodic lattice
j