This article is cited in 1 paper

Partial Differential Equations

The WKB method for the system $(-{}ih\partial /\partial t+{\cal A}(x,t,-{}ih\partial /\partial x))U=0$ in the case of characteristics of variable multiplicity

O. N. Naida, A. G. Prudkovskii

Moscow Institute of Electronic Engineering

UDC: 517.946

Received: 10.07.1975

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