Reviews of topical problems

S.P. Mikheev, A.Yu. Smirnov “Resonance oscillations of neutrinos in matter” 30 759–790 (1987)

From the history of physics

B.V. Medvedev, D.V. Shirkov “P. A. M. Dirac and the formation of the basic ideas of quantum field theory” 30 791–815 (1987)

V.Ya. Frenkel’ “Professor Dirac and Soviet physicists” 30 816–822 (1987)

Ya.A. Smorodinskii “Some episodes” 30 823–825 (1987)