
JETP, Vol. 4,
No. 2,
p. 286 (February 1957)
(Russian original - ZhETF,
Vol. 31,
No. 2,
p. 343,
February 1957
)
Relation between the Parameters of Longitudinal and Transverse Optical Vibrations of Ions in Crystals
M.A. Krivoglaz, S.I. Pekar
Received: April 30, 1956
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