Reviews of topical problems

B.L. Gel’mont, V.I. Ivanov-Omskii, I.M. Tsidil’kovskii “The electronic energy spectrum of zero-gap semiconductors” Sov. Phys. Usp. 19 879–893 (1976)

M.K. Volkov, V.N. Pervushin “Quantum field theory with a chiral Lagrangian and low-energy meson physics” Sov. Phys. Usp. 19 894–908 (1976)

A.V. Deryagin “Rare-earth magnetically hard materials” Sov. Phys. Usp. 19 909–933 (1976)

V.B. Berestetskii “Zero-charge and asymptotic freedom” Sov. Phys. Usp. 19 934–943 (1976)

Methodological notes

V.S. Danyushenkov “Use of low-frequency indicator in physics demonstrations” Sov. Phys. Usp. 19 944–945 (1976)

From the current literature

M.V. Nezlin “Negative-energy waves and the anomalous Doppler effect” Sov. Phys. Usp. 19 946–954 (1976)

Meetings and conferences

J.E. Eĭnasto “The Structure of Galactic Systems” Sov. Phys. Usp. 19 955–956 (1976)

A.A. Sapar “Interaction of Radiation and Matter in Stellar Atmospheres” Sov. Phys. Usp. 19 956–956 (1976)

U.H. Uus “The Appearance of Elements Synthesized in the Interior of a Star on Its Surface” Sov. Phys. Usp. 19 956–957 (1976)

A.Ya. Kipper “The Ambiguity of the Quasar Red Shift” Sov. Phys. Usp. 19 957–958 (1976)

V.L. Ginzburg “Superconductivity and Superfluidity (Certain Contemporary Problems)” Sov. Phys. Usp. 19 958–959 (1976)

K. Rebane, P.M. Saari “Hot Luminescence and Relaxation Processes in the Luminescence Centers of Crystals” Sov. Phys. Usp. 19 959–960 (1976)

Ch.B. Lushchik, I.L. Kuusmann “Luminescence, Autolocalization and Decay of Excitons in Ionic Crystals” Sov. Phys. Usp. 19 960–961 (1976)

H.H. Oiglane “Symmetry Properties of the Lagrangians of the Four-Fermion Interaction” Sov. Phys. Usp. 19 961–962 (1976)

N.N. Kristofel’, P.I. Konsin “The Vibronic Theory of Ferroelectricity” Sov. Phys. Usp. 19 962–964 (1976)

G.G. Liĭd’ya “Decay of Triplet-State Luminescence of the Autolocalized Exciton (X^2-₂ Quasimolecule) of Alkali Halide Crystals in a Magnetic Field” Sov. Phys. Usp. 19 964–965 (1976)

E.T. Lippmaa “High-Resolution Magnetic Resonance of Rare Nuclei in Solids” Sov. Phys. Usp. 19 965–967 (1976)

I.D. Novikov “Black Holes” Sov. Phys. Usp. 19 967–967 (1976)