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Magnetic Bloch functions and vector bundles. Typical dispersion laws and their quantum numbers. (English. Russian original) Zbl 0483.46054
Sov. Math., Dokl. 23, 298-303 (1981); translation from Dokl. Akad. Nauk SSSR 257, 538-543 (1981).

MSC:
46N99 Miscellaneous applications of functional analysis
81U30 Dispersion theory, dispersion relations arising in quantum theory
47A55 Perturbation theory of linear operators
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