GRAVITATION, ASTROPHYSICS 
Rotation of the optical polarization vector in a nonstationary gravitational field

1955

Nondissipative gravitational turbulence in an expanding universe

1957

Experimental test of gravitation at small distances

1963

NUCLEI, PARTICLES, AND THEIR INTERACTION 
Theory of emission of radiation and of the production of electronpositron pairs by ultrahighenergy particles in crystals at angles of incidence greater than the Lindhard angle

1967

Production of massless particles in collisions of strings at high energy

1975

Nature of the symmetry group of the 6jsymbol

1982

Resonant longrange interaction in hadronic systems and the quasinuclear nature of narrow lowlying dibaryons

1986

Rates of deexcitation of the mesic molecule ddμ in the mesic molecular complex [(ddμ)dee]

1990

Contribution to the theory of the interaction between a magnetic charge and a medium

1995

ATOMS, SPECTRA, RADIATION 
Cooperative Raman scattering by a concentrated system of atoms

2003

Theory of coherent frequency conversion via ultrashort pulses in resonant media

2013

Diffusion component of the profile of a nonlinear resonance in a threelevel system

2018

Stark effect exhibited by Rydberg atoms and the nearthreshold resonances of the photoionization cross section

2027

Superradiation from twophoton spontaneous decay

2033

Decay law of unstable levels and spectral lineshape in the theory of a relativistic atom

2039

PLASMA, GASES 
Propagation of long light pulses in a twolevel resonant medium

2047

Attractors and stochastic attractors of motion in a magnetic field

2053

LIQUIDS 
Enhancement and suppression of lightinduced orientational effects and timedependent instabilities resulting from competition between two waves in a nematic liquid crystal with a threshold nonlinearity

2063

SOLIDS 
Optical phase relaxation of impurity ions in a resonant radiation field

2071

Thermoelectric coefficients of a 2D electron gas in a quantizing magnetic field

2079

Faraday effect in semimagnetic semiconductor Cd_{1x}Mn_{x}Te: anomalies of the spectral, magneticfield, and temperature dependence

2084

Raman scattering by coherently excited phonon polaritons

2088

Influence of magnetic ordering on the phonon spectra of compounds with giant magnetostriction

2093

Theory of edge optical absorption in crystals

2098

Theory of nonequilibrium phenomena at a gassolid interface

2110

Surface magnetism of iron borate

2122

Permittivity of composite percolation materials: similarity law and equations of state

2129

Transport properties of conductors with electronphonon interaction at resonance scattering centers

2134

Secondaryelectron yield in the interaction of ultrarelativistic electrons and positrons with single crystals

2141

Transverse electron focusing spectroscopy of the electronphonon interaction

2145

Tricritical point in a disordered system

2154

Magnetoelastic excitation of inhomogeneous magnetization waves in ferromagnets by a uniform timedependent magnetic field

2161

Vortex interaction with a twinning boundary in a superconductor

2166

Critical properties of a system near a defect of "fractional" dimensionality

2170

ERRATA 
Erratum: Coherent enhancement of backscattered radiation in a randomly inhomogeneous medium: the diffusion approximation [Sov. Phys. JETP 67, 11171121 (June 1988)]

2175
