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Riemann surface of quasiimpulse and the theory of scattering for disturbed Hill operator. (Russian) Zbl 0349.34020


MSC:

34L99 Ordinary differential operators
34B30 Special ordinary differential equations (Mathieu, Hill, Bessel, etc.)
47A40 Scattering theory of linear operators
47A70 (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces
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