Ordinary Differential Equations

The limit spectrum of systems of first order differential equations with slowly changing coefficients

L. B. Zelenko^a, F. S. Rofe-Beketov<sup>b

a</sup> Saratov State University
^b Physical Engineering Institute of Low Temperatures, UkrSSR Academy of Sciences, Khar'kov

UDC: 517.974.5

Received: 09.07.1970

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