Reviews of topical problems

N.P. Konopleva “Gravitational experiments in space” Sov. Phys. Usp. 20 973–988 (1977)

Physics of our days

V.A. Vanke, V.M. Lopukhin, V.L. Savvin “Satellite solar power stations” Sov. Phys. Usp. 20 989–1001 (1977)

Methodological notes

D.E. Vakman, L.A. Vainshtein “Amplitude, phase, frequency—fundamental concepts of oscillation theory” Sov. Phys. Usp. 20 1002–1016 (1977)

Meetings and conferences

“Scientific session of the Division of General Physics and Astronomy of the USSR Academy of Sciences (February 23-24, 1977)” Sov. Phys. Usp. 20 1017–1017 (1977)

M.I. Kaganov “Singularities that the local geometry of the Fermi surfaces induces in the absorption and in the velocity of sound in metals” Sov. Phys. Usp. 20 1017–1019 (1977)

V.D. Natsik “Conduction electrons and mobility of dislocations in normal metals and in superconductors” Sov. Phys. Usp. 20 1019–1021 (1977)

I.I. Sobelman, I.B. Khriplovich “Check on the modern theories of weak interaction in optical experiments” Sov. Phys. Usp. 20 1022–1022 (1977)

A.A. Komar “Neutral currents in the physics of weak interactions” Sov. Phys. Usp. 20 1023–1023 (1977)

B.G. Erozolimskii “Beta decay of the neutron” Sov. Phys. Usp. 20 1023–1024 (1977)

G.S. Ivanov-Kholodnyi, M.A. Kolosov, N.A. Savich, Yu.N. Aleksandrov, M.B. Vasil’ev, A.S. Vyshlov, V.M. Dubrovin, A.L. Zaitsev, V.A. Samovol, L.N. Samoznaev, A.I. Sidorenko, A.F. Khasyanov, D.Ya. Shtern “The ionosphere of Venus from the data of the satellites ’Venera-9, 10′ and some singularities of its formation” Sov. Phys. Usp. 20 1025–1027 (1977)

M.A. Kolosov, O.I. Yakovlev, T.S. Timofeeva, E.V. Chub, A.I. Efimov, S.S. Matyugov, A.G. Pavelyev, A.I. Kucheryavenkov, I.E. Kalashnikov “Results of radio sounding of the neutral atmosphere of Venus and bistatic radar study of its surface with the aid of the satellites ’Venera-9, 10′” Sov. Phys. Usp. 20 1027–1028 (1977)

M.A. Kolosov, O.I. Yakovlev, A.I. Efimov, V.M. Razmanov, V.I. Rogal’skii, V.K. Shtrykov “Inhomogeneous structure of the plasma near the sun and spreading of the spectrum of the radio waves, as suggested by the results of radio sounding with the aid of the satellites ’Venus-9, 10′” Sov. Phys. Usp. 20 1028–1029 (1977)

M.A. Kolosov, N.A. Savich, M.B. Vasil’ev, A.S. Vyshlov, V.I. Rogal’skii, V.A. Samovol, L.N. Samoznaev “Investigations of the plasma near the sun by the dispersion-interferometer method during the flight of the satellites ’Venera-9, 10′” Sov. Phys. Usp. 20 1029–1030 (1977)

V.A. Khoze “The heavy lepton τ^± in e⁺e^- annihilation” Sov. Phys. Usp. 20 1030–1030 (1977)

M.I. Vysotskii, A.D. Dolgov, Ya.B. Zel’dovich “Cosmological limitations on the mass of neutral leptons” Sov. Phys. Usp. 20 1031–1031 (1977)

M.A. Shifman “Charmonium and asymptotic freedom” Sov. Phys. Usp. 20 1031–1032 (1977)

Personalia

N.E. Alekseevskii, A.S. Borovik-Romanov, M.S. Bresler, P.L. Kapitza, I.M. Lifshitz, R.V. Parfen’ev, I.I. Farbshtein, A.I. Shal’nikov, Yu.V. Sharvin “Simon Solomonovich Shalyt (obituary)” Sov. Phys. Usp. 20 1033–1034 (1977)

V.G. Vaks, V.K. Voitovetskii, V.M. Galitskii, V.L. Ginzburg, I.I. Gurevich, V.Z. Kresin, A.B. Migdal, I.L. Fabelinskii, N.A. Chernoplekov “Boris Tov’evich Geilikman (obituary)” Sov. Phys. Usp. 20 1035–1037 (1977)

Errata

V.S. Berezinskii, G.T. Zatsepin “Erratum: Possible experiments with very high energy cosmic neutrinos: the Dumand Project [Sov. Phys. Usp. 20, 361 (May 1977)]” Sov. Phys. Usp. 20 1037–1037 (1977)