GRAVITATION, ASTROPHYSICS 
Selforganization of spiralvortex structures in shallow water with rapid differential rotation

1

The Hamiltonian description of the gravitational field and gauge symmetries

5

Equivalence principle and zeropoint field fluctuations

11

NUCLEI, PARTICLES, AND THEIR INTERACTION 
Derivation of a chromoelectric string from nonAbelian gauge field theory

15

Conformal blocks, related to conformally invariant Ramond states of a free scalar field

19

ATOMS, SPECTRA, RADIATION 
Resonant and parametric interaction of ultrashort light pulses in a multilevel nonlinear medium

25

Calibration of the Mössbauer isomer shift in ^{119}Sn

30

Nonlinear distortions of the angular spectrum in stimulated scattering

33

Resonance effects in spectral lines of a hydrogen atom acted upon by both a static and an hf harmonic electric field

40

PLASMA, GASES 
Nonlinear reflection of a sound wave in a gas mixture

48

LIQUIDS 
Dynamics of the instability of a smectic A in a magnetic field

54

SOLIDS 
Intermediatevalence compounds with heavy fermions viewed as twocomponent systems

59

Electron paramagnetic resonance in doped EuO

66

Critical fluctuations in thin superconducting vanadium films in quantized magnetic fields

71

Interaction of charges with the surface of a metal

77

Effect of phonon dispersion on mobility of stronglycoupled polarons in onedimensional and threedimensional crystals

85

Selection of eutectic structure

93

Magnetic properties of DyCrO_{3}

101

Interference current in nonequilibrium superconductors

107

Electron spin relaxation at composition irregularities in semiconducting compounds

112

Electromagnetic absorption of circularly polarized ultrasound in tungsten in the region of the Dopplershifted cyclotron resonance

117

Dynamics of amorphous magnets with strong random anisotropy

124

Plasma excitations and polarization of ioncore electrons in transition metals

128

Magnon relaxation in antiferromagnetic FeBO_{3} at low temperatures

134

Incommensurate phases with point defects: the phason gap under strongpinning conditions

140

Radiative recombination of 2D electrons with nonequilibrium holes in silicon metalinsulatorsemiconductor structures

146

NMR investigation of spin flip in TmCrO_{3}

157

Photoemission of neutral atoms from the surface of a metal

161

Parameters of soft atomic potentials in glasses

165

Ground state of a pair of acceptor impurity centers in a cubic semiconductor

169

Properties of currentvoltage characteristics of semiconductors in the case of resonant scattering of electrons

173

Orientational phase transition in a twodimensional foursublattice antiferromagnet (NH_{3})_{2}(CH_{2})_{3}MnCI_{4} subjected to an inclined magnetic field

177

Investigation of the effect of a random field in Mn_{x}Zn_{1x}F_{2} by the neutron elastic scattering method

182

Transition from the classical to the quantum Hall effect in a system with a onedimensional periodic potential

188

Experimental observation of photoresonance in electrons above a solid hydrogen surface

194

Tunnel transitions in the valence band of germanium and inversion of the populations of lighthole Landau levels

200

Characteristics of the phase transitions of La and Pr under hydrostatic pressures up to 9 GPa and temperatures up to 700 K: Electrical resistivities and thermoelectric powers

205

ERRARA 
Erratum: Neutrino electrodynamics and possible consequences for solar neutrinos [Sov. Phys. JETP 63, 446 (1986)]

209
