ZhETF, Vol. 55,
No. 4,
p. 1470 (April 1969)
(English translation - JETP,
Vol. 28,
No. 4,
p. 769,
April 1969
)
The issue content is only available in english translation.
The Geometric Optics Approximation in the General Case of Inhomogeneous and Nonstationary Media with Frequency and Spatial Dispersion
Yu. A. Kravtsov
Received: May 12, 1968
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