ZhETF, Vol. 65,
No. 1,
p. 271 (January 1974)
(English translation - JETP,
Vol. 38,
No. 1,
p. 134,
January 1974
)
The issue content is only available in english translation.
On the theory of elementary-excitation spectrum in liquid He4
Yu. A. Nepomnyashchii, A.A. Nepomnyashchii
Received: January 28, 1973
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