Reviews of topical problems

V.A. Alekseev, B.Ya. Zel’dovich, I.I. Sobel’man “Parity non-conservation effects in atoms” Sov. Phys. Usp. 19 207–219 (1976)

A.N. Moskalev, R.M. Ryndin, I.B. Khriplovich “Possible lines of research into weak-interaction effects in atomic physics” Sov. Phys. Usp. 19 220–243 (1976)

Physics of our days

V.P. Frolov “Black holes and quantum processes in them” Sov. Phys. Usp. 19 244–262 (1976)

Methodological notes

Yu.S. Barash, V.L. Ginzburg “Expressions for the energy density and evolved heat in the electrodynamics of a dispersive and absorptive medium” Sov. Phys. Usp. 19 263–270 (1976)

I.P. Bazarov “Paradoxes of gas mixing” Sov. Phys. Usp. 19 271–273 (1976)

S.I. Syrovatskii “On the problem of the ’retardation’ of the relativistic contraction of moving bodies” Sov. Phys. Usp. 19 273–274 (1976)