ZhETF, Vol. 40,
p. 1203 (October 1961)
(English translation - JETP,
The issue content is only available in english translation.
Use of Indirect Transitions in Semiconductors for the Determination of States with Negative Absorption Coefficients
N.G. Basov, O.N. Krokhin, Yu. M. Popov
Received: November 25, 1960