ZhETF, Vol. 68,
No. 4,
p. 1234 (July 1975)
(English translation - JETP,
Vol. 41,
No. 4,
p. 613,
July 1975
)
The issue content is only available in english translation.
The region of thermodynamic admissibility of light efficiencies larger than unity
Yu. P. Chukova
Received: July 26, 1974
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