GRAVITATION, ASTROPHYSICS 
Hydrodynamic accretion onto black holes

575

ATOMS, SPECTRA, RADIATION 
Levelband and levelcontinuum quantum systems in an external field

586

Logarithmic radiative corrections to the dipole matrix elements in the hydrogen atom

593

New mechanism of singletoxygen production in processes with participation of electronically and vibrationally excited ozone molecules

603

Dynamics of a periodic wave in a model including quadratic and cubic nonlinearities

614

Calculation of the average intensity of scalar waves in a randomly inhomogeneous medium

626

The radiation force rectification effect and lightinduced transport phenomena in a resonant gas

632

Timedependent Schrödinger equation admitting an exact solution

641

Rayleigh scattering in a dense spinpolarized gas

645

Noise of thermally scattered laser light in nonlinear waveguides

650

Bremsstrahlung in intermediateenergy electron scattering by noble gas atoms

655

Energy and angular distributions of electrons resulting from barriersuppression ionization of atoms by strong lowfrequency radiation

657

Effect of mid and farinfrared emission from excited ammonia on the absorption of intense TEA CO_{2} laser radiation

662

PLASMA, GASES 
Formation of hydrogen atoms in the 2s and 2p states by neutralization of H^{} ions in gases

670

SOLIDS 
Magnetization of granular highT_{c} superconductors in strong magnetic fields

680

Spinpolarized tunneling between strongly correlated systems

686

A quantum mechanical description of particle spin rotation in channeling

690

Nonlocal effects in a model of the critical state

694

Soliton mechanism for propagation of endothermal structural transitions in bistable systems

706

Monte Carlo investigation of phase transitions and an incommensurate phase in Rb_{2} ZnCl_{4} crystals

713

Surface magnetic oscillations in a uniaxial antiferromagnet

722

Spin reorientation in ErFeO_{3} under uniaxial compression: An NMR study

730

Controlling the evolution of electronic states in nanostructures

734

NONLINEAR PHYSICS 
Thermodynamic properties of dark solitons

750

Noiseinduced intermittency in systems with reactions and diffusion

754

ERRATA 
Erratum: Optical linearities and size quantization in porous silicon [JETP 79(6), 994998 (1994)]

760

Lowenergy collective excitations in glasses. New relaxation mechanism for ultralow temperatures

761
