Reviews of topical problems

V.G. Knizhnik “Multiloop amplitudes in the theory of quantum strings and complex geometry” 32 945–971 (1989)

V.N. Baier, V.M. Katkov, V.M. Strakhovenko “Interaction of high-energy electrons and photons with crystals” 32 972–992 (1989)

N.M. Kuznetsov “Stability of shock waves” 32 993–1012 (1989)

From the current literature

V.G. Baryshevskii, V.V. Tikhomirov “Synchrotron-type radiation processes in crystals and polarization phenomena accompanying them” 32 1013–1032 (1989)

Meetings and conferences

Yu.V. Kopaev “Interference of dielectric and superconducting correlations in high-T_c superconductors (HTSCs)” 32 1033–1038 (1989)

N.N. Gor’kavyi, A.M. Fridman “Collective processes and the structures in planetary rings” 32 1038–1039 (1989)

Book reviews

A.Yu. Zakharov, V.V. Slezov “Basic notions of condensed matter physics” 32 1040–1040 (1989)