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Geometric and arithmetic methods in the spectral theory of multidimensional periodic operators. (English) Zbl 0615.47004
Proc. Steklov Inst. Math. 171, 121 p. (1987).
Translation from Tr. Mat. Inst. Steklova 171, 124 p. (Russian) (1985; Zbl 0567.47004).

47A10 Spectrum, resolvent
47B38 Linear operators on function spaces (general)
47-02 Research exposition (monographs, survey articles) pertaining to operator theory
81Q99 General mathematical topics and methods in quantum theory
35J10 Schrödinger operator, Schrödinger equation
35P05 General topics in linear spectral theory for PDEs