MATHEMATICS

A criterion for the discreteness of the spectrum of a selfadjoint system of differential equations of the first order with slowly varying coefficients

R. S. Ismagilov, V. V. Martynov

Moscow Institute of Physics and Technology

UDC: 517.925:517.948.35:513.88

Presented: I. M. Vinogradov
Received: 21.07.1965

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