|  ZhETF, Vol. 70, 
No. 2,
p. 610 (February 1976)
 (English translation - JETP, 
	Vol. 43, 
	No. 2,
	p. 317,
	February 1976
)
 
 The issue content is only available in english translation.
 
 
 
	Vibrational spectrum of a crystal with impurities in the presence of localized states near the band edge
M.A. Ivanov, Yu. G. Pogorelov, M.N. Botvinko
 
 Received: July 7, 1975
 
 
 
 
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