GRAVITATION, ASTROPHYSICS 
Trajectories and the radiation emitted by particles falling into a rotating black hole

179

Gravitational synchrotron radiation of a particle in Kerr and Schwarzschild fields

183

Three types of solutions of the EinsteinMaxwell equations

188

NUCLEI, PARTICLES, AND THEIR INTERACTION 
Concerning the production of electronpositron pairs from vacuum

191

Effect of angular discrimination of xray transition radiation on particle separation efficiency

195

Operator approach to quantum electrodynamics in an external field. Electron loops

198

Critical distance in collision of heavy ions

205

Inverse problem of scattering theory in complex λ plane in the presence of a Coulomb field with allowance for absorption

210

Elastic scattering with allowance for a closed channel: the processes dμ + p, pμ + p, dμ + d, and tμ + t

212

ATOMS, SPECTRA, RADIATION 
Some features of the radiation from sources moving in refractive media

217

Microwave discharge in a quasioptical resonator

219

Properties of photon echo on broad spectral lines

222

Coherence properties of radiation and multiphoton resonances

226

Contribution to the theory of superluminescence in a dispersive medium with molecular relaxation

228

A nonlinear theory of broadening and a generalization of the KarplusSchwinger formula

233

Nonadiabatic transition in triatomic systems

241

Contribution to the theory of resonant fourwave parametric interactions

247

PLASMA, GASES 
Relaxation of the electron distribution in a parametrically unstable plasma located in a strong electromagnetic field

253

Electron beam excitation of low frequency oscillations in a plasma by application of external perturbations

259

Absolute instability of focused waves in a plasma

262

Active submillimeter diagnostics of the plasma of a microwave pinch discharge at high pressure

268

SOLIDS, LIQUIDS 
Role of selffocusing in the damage to transparent dielectrics by laser radiation

276

Calculation of the effective mass of an electron in a periodic field near the edge of an energy band

280

Hyperfine fields at Fe^{57} nuclei in Gd_{x}Y_{1 x}Fe_{2} alloys

285

Effective magnetic field at the ^{82}Kr nucleus in iron

287

Some features of the behavior of the thermal conductivity of ferrites in the vicinity of magnetic phase transitions

290

Spectrum of polarons in a magnetic field. States in the forbidden band

297

On the polarization characteristics of Mössbauer coherent scattering by perfect magneticordered crystals

301

Kinetic phenomena and charge discreteness effects in granulated media

308

Dynamics of a classical electron in a dense medium of disordered scatterers

317

Anomalies in the drag electron dislocation force in a phase transition of order 21/2

321

Investigation of the transition of FeCO_{3} from the antiferromagnetic to the paramagnetic state under the influence of a strong magnetic field

326

Electronnuclear magnetic resonance in a thin ferromagnetic film

333

Intrinsic spin wave relaxation processes in yttrium iron garnets

336

Elastic and photoelastic properties of gadolinium molybdate crystals near a phase transition

342

Lens effect due to the pressure of light on the surface of a transparent dielectric

346

Magnetoacoustic investigation of the electron structure of gallium under pressure

352

Lowtemperature spin configuration of iron ions in erbium orthoferrite

357

Magnetic properties of singlecrystal powders of YFeO_{3}

360

Oscillations of the critical temperature in thin film superconductordielectric structures

365

Magnetic phase transitions in orthoferrite with a Morin point

369

Effect of light on strainstimulated light emission in ZnS crystals

373

Nonequilibrium states in superconducting tunnel structures

376

Josephson effect in wide superconducting bridges

381
