1. Laser with nonresonant feedback;Ambartsumyan;JETP Lett.,1966
2. Generation of light by a scattering medium with negative resonance absorption;Letokhov;Sov. Phys. JETP,1968
3. Dynamics of emission line narrowing for a laser with nonresonant feedback;Ambartsumyan;Sov. Phys. JETP,1967
4. Frequency stability of a HeNe laser with nonresonant feedback;Ambartsumyan;IEEE Trans. Instrum. Meas.,1968
5. Emission statistics of a laser with nonresonant feedback;Ambartsumyan;JETP Lett.,1967