
JETP, Vol. 48,
No. 1,
p. 76 (July 1978)
(Russian original - ZhETF,
Vol. 75,
No. 1,
p. 153,
July 1978
)
On the renormalization of the velocity of sound in phase transitions involving a change in valency
A.M. Tsvelik, A.F. Barabanov
Received: November 6, 1978
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