ZhETF, Vol. 48,
No. 1,
p. 7 (July 1965)
(English translation - JETP,
Vol. 21,
No. 1,
p. 4,
July 1965
)
The issue content is only available in english translation.
Amplification of Light by Four-level Quantum Systems
Yu. A. Anan'ev, A.A. Mak, B.M. Sedov
Received: April 18, 1964
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