Academician Nikolai Nikolaevich Bogolyubov (On the Occasion of His Fiftieth Birthday)

333

On the Mechanism of Surface Ionization of Atoms of the Alkali Earth Metals

336

Discrete Electron Energy Losses and Secondary Emission from CdO

340

Shortwave Radiation from a Vacuum Spark

349

On Direct Production of ElectronPositron Pairs by HighEnergy Electrons

355

Recoil Nuclei from the Disintegration of Silver by Fast Protons

366

Spectrum of Photo Protons Produced by γ Rays in the Narrow 82  89 Mev Energy Range

374

Heavy Nuclei Flux in the Primary Cosmic Radiation at a Geomagnetic Latitude of 31N

380

Effect of Uniaxial Compression on the Quantum Oscillations of the Magnetic Susceptibility of Bismuth

389

Results of a Study of the Disintegration of Carbon Nuclei by 660Mev Protons

392

Destruction of Superconductivity in Thin Films by Field and Current

399

Some Features of the Spontaneous Fission of U^{238}

406

Polarization of Recoil Protons Produced in Elastic Scattering at 307 Mev

413

Ion Oscillations in a Plasma

422

On the Solution of the Kinetic Equation for a Plasma in a Variable Magnetic Field

427

Dispersion of Electromagnetic Waves in Crystals

430

The Electromagnetic Interaction in the Heisenberg Theory

442

Coupled Magnetoelastic Oscillations in Antiferromagnetics

452

Application of the Variational Principle for the Determination of the Binding Energy of a ProtonElectronPositron System

458

On Theories with an Indefinite Metric

467

Wave Equations with Zero and Nonzero Rest Masses

470

On the Relativistic Operators for Momentum and Angular Momentum

477

Theory of Paramagnetic Resonance in Systems Containing Two Kinds of Magnetic Moments

482

Effect of Inelastic Collisions on the Velocity Distribution of Electrons

490

On the Possibility of Determining the Amplitude for Charge Exchange PionPion Scattering from an Analysis of the π^{} + p = N + π^{+} + π^{} Reactions near Threshold

501

On the Introduction of an "Elementary Length" in the Relativistic Theory of Elementary Particles

504

Light Waves in Crystals in the Exciton Absorption Region and the Impurity Photoeffect

510

Polarization Effects in the Elastic Scattering of Electrons from Deuterons

522

Transition Radiation Effects in Particle Energy Losses

527

Thermoelectric Phenomena in Strong Magnetic Fields in Metals Possessing Various Fermi Surfaces

534

Ground States of Nonspherical Odd Nuclei According to the Independent Particle Model

540

LETTERS TO THE EDITOR 
Alpha Spectrum of the Natural Samarium Isotope Mixture

546

Use of the (d, p) Reaction to Excite States with Large Spins

548

The Proton Subshell Z = 100

550

On the Distribution Function for Dissipative Processes in a Rarefied Relativistic Gas

553

Electron Resonance in Crossed Electric and Magnetic Fields

555

Identification of Particles in High Energy Stars

557

Note on a Baryon Scheme

558

On the Decay Scheme of the Bi^{210} Isomer

560

Experimental Investigation of the Harmonic Oscillations of a Disk in Rotating Helium II

562

Localization of a HighFrequency Induction Discharge

564

Magnetostriction of Antiferromagnetic Nickel Monoxide

565

Space Asymmetry of Low Energy Positrons from π^{+}  μ^{+}  e^{+} Decay

566

The Number of Elementary Baryons and the Universal Baryon Repulsion Hypothesis

569

Polarization Effects in the Direct Transition of μ^{+ μ}^{} into an ElectronPositron Pair

571

An Investigation of the Quantized Oscillations in the Magnetic Susceptibility of Bismuth at Extremely Low Temperatures

572

Polarization Effects in the Decay

575

Attraction of Small Particles Suspended in a Liquid at Large Distances

577

A Simple Model in the Theory of Superconductivity

578

Residual Ionization of a Gas Expanding in Vacuum

580

Measurements of Nuclear Magnetic Moments in the Alkali Earths by Molecular Beam Magnetic Resonance

582

On the Cross Section for CompoundNucleus Formation by Charged Particles

583

The Energy of a Compressed Imperfect Fermi Gas

585

QuantumMechanical Semiconductor Generators and Amplifiers of Electromagnetic Oscillations

587
