ZhETF, Vol. 31,
No. 1,
p. 156 (January 1957)
(English translation - JETP,
Vol. 4,
No. 1,
p. 151,
January 1957
)
The issue content is only available in english translation.
The Effect of Ordering on the Energy Spectrum of Phonons
I.M. Lifshitz, G.I. Stepanova
Received: April 3, 1956
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