
JETP, Vol. 62,
No. 3,
p. 531 (September 1985)
(Russian original - ZhETF,
Vol. 89,
No. 3,
p. 922,
September 1985
)
Classification of degeneracies and analysis of their stability in the theory of elastic waves in crystals
V.I. Al'shits, A.V. Sarychev, A.L. Shuvalov
Received: December 26, 1984
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