Reviews of topical problems

S.I. Nikol’skii “Extensive air showers of cosmic radiation” 5 849–877 (1963)

I.M. Lifshitz, M.I. Kaganov “Some problems of the electron theory of metals II. Statistical mechanics and thermodynamics of electrons in metals” 5 878–907 (1963)

M.M. Gurevich “Spectral distribution of radiant energy” 5 908–912 (1963)

M.I. Shirokov “Test of PC and PCT invariance in decay processes” 5 913–930 (1963)

Ya.B. Zel’dovich “Problems of present-day physics and astronomy” 5 931–950 (1963)

V.S. Kogan “Isotope effects in the structural properties of solids” 5 951–975 (1963)

V.N. Baier “High-energy interactions between electrons and positrons” 5 976–997 (1963)

New instruments and measurement methods

A.P. Kirichenko “Methods of narrowing spectral lines for interference measurements of length” 5 998–1005 (1963)

Meetings and conferences

B.D. Tartakovskii “Second All-Union symposium on wave diffraction” 5 1006–1023 (1963)

Personalia

V.I. Veksler “DMITRIĬ VLADIMIROVICH SKOBEL’TSYN (On the occasion of his seventieth birthday)” 5 1024–1028 (1963)

Errata

V.M. Agranovich “Letter to the Editor” 5 1032–1032 (1963)