JETP, Vol. 47,
No. 2,
p. 366 (February 1978)
(Russian original - ZhETF,
Vol. 74,
No. 2,
p. 697,
February 1978
)
Singularity of the coefficient of absorption of long-wavelength sound in a phase transition of order 2 1/2
V.N. Davydov, M.I. Kaganov
Received: July 27, 1977
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