Gravitation, Astrophysics 
Amplification of electromagnetic and gravitational waves scattered by a rotating "black hole"

3

Nuclei, Particles, and Their Interactions 
Cascade emission of γquanta by highly excited nuclei

12

Observation of the negative induction effect by bound hydrogen capture of {pi^{} mesons

24

Calculation of the energy levels of hydrogen mesic molecules by taking into account adiabatic corrections for nuclear motion

28

Spontaneous positron production in collisions between heavy nuclei

35

Atoms, Spectra, Radiation 
On the statistical theory of reflection of light in randomly inhomogeneous media

54

Investigation of stimulated fourphoton parametric scattering of laser radiation in alkalimetal vapor

61

Collective spontaneous emission by polyatomic systems

74

Investigation of light amplification in a pulsed acetyleneair combustion gasdynamic laser

82

Kinetic model of formation of inverse populations in a carbon monoxide gasdischarge laser

89

Calculation of the ground term X^{1 Σ}^{+}_{g} of the helium quasimolecular doublycharged ion He_{2}^{++} by a simple method

98

Scattering of radiation by thermal electrons in a magnetic field

102

Waves and forces in a homogeneous medium with timevarying properties

117

Coherent light emission by atoms excited by fast particles in an electromagnetic field

123

On the theory of transition radiation in a nonstationary medium

132

Collisionradiative processes and molecular lasers

145

Twolevel system with damping in a plasma

152

Plasma, Gases 
Nonlinear interaction of highamplitude Langmuir waves in a collisionless plasma

168

Polarization spectroscopic analysis of noise produced in a turbulent plasma upon annihilation of oppositely moving magnetic fields

175

High intensity circularly polarized waves in nonlinear dispersive media

189

Nonlinear dissipation of electromagnetic waves in a plasma

195

Anisotropic turbulent distributions for waves with a nondecay dispersion law

206

On stochastization of onedimensional chains of nonlinear oscillators

219

Solids, Liquids 
Hightemperature resistivity and the superconductivity of potassium and rubidium at high pressures

226

Absorption of first sound in liquid He^{3}

237

Electric conductivity of firromagnets with a domain structure

242

Thermal expansion of thulium in the 2300K temperature range

249

Oscillation damping of the free surface of a superfluid liquid

252

Investigation of the disordered state of twodimensional ferromagnetic substances

261

On the theory of elementaryexcitation spectrum in liquid He^{4}

271

Electron diffraction in a strong field by dielectric crystals

283

Conductivity of typell superconductors near the transition temperature

290

Hydrodynamic asymptotic form of the rotationalmotion correlation function of a molecule in a liquid

297

Theory of the Kondo effect at low temperatures

307

The de Haasvan Alphen effect and damping of helicons during plastic deformation in aluminum

319

Behavior of nematic liquid crystals in a rotating magnetic field

324

Distribution of hot phonons generated by laser radiation

331

Electronelectron collisions and the electric conductivity of metals at low temperatures

342

Optical orientation in a system of electrons and lattice nuclei in semiconductors. Experiment

346

Optical orientation in a system of electrons and lattice nuclei in semiconductors. Theory

362

Polarizationoptical investigation of magnetization processes near dislocations in yttrium iron garnet single crystals

376

Viscous flow of vortices in typeII superconducting alloys

396

Correlation functions for a onedimensional Fermi system with longrange interaction (Tomonaga model)

411

Frequency dependence of the conductivity of onedimensional systems

427
