Reviews of topical problems

V.I. Dokuchaev “Birth and life of massive black holes” 34 (6) 447–470 (1991)

N.N. Achasov, G.N. Shestakov “Summary of the search for four-quark states in γγ collisions” 34 (6) 471–496 (1991)

E.I. Kut’in, V.L. Lorman, S.V. Pavlov “Methods of the theory of singularities in the phenomenology of phase transitions” 34 (6) 497–514 (1991)

I.D. Konozenko, M.P. Krulikowska, B.A. Danil’chenko “Structural and phase changes in metals and alloys crystallized in a gamma-ray flux” 34 (6) 515–525 (1991)

From the current literature

B.M. Smirnov “Energetic processes in macroscopic fractal structures” 34 (6) 526–541 (1991)

Conferences and symposia

V.M. Pudalov “Wigner Crystallization in a two-dimensional electron gas in semiconductors” 34 (6) 542–544 (1991)

Personalia

Zh.I. Alferov, Yu.N. Efremov, V.E. Golant, V.L. Gurevich, B.P. Zakharchenya, G.G. Zegrya, I.P. Ipatova, V.I. Perel’, N.N. Pariiskii, A.D. Chernin “Lev Emmanuilovich Gurevich (Obituary)” 34 (6) 545–546 (1991)

N.E. Alekseevskii, A.F. Andreev, A.S. Borovik-Romanov, A.P. Volodin, N.V. Zavaritskii, M.I. Kaganov, Yu.A. Osip’yan, L.P. Pitaevskii, L.A. Prozorova, V.M. Pudalov, A.M. Troyanovskii, I.M. Khalatnikov, I.N. Khlyustikov, V.S. Edel’man “Moisei Semenovich Khaikin (Obituary)” 34 (6) 547–548 (1991)

L.M. Biberman, B.A. Veklenko, V.L. Ginzburg, G.S. Zhdanov, B.B. Kadomtsev, S.M. Rytov, B.M. Smirnov, I.L. Fabelinskii, E.L. Feinberg, I.A. Yakovlev “Valentin Aleksandrovich Fabrikant (Obituary)” 34 (6) 549–550 (1991)

Book reviews

V.S. Dneprovskii “Nonlinear photonics” 34 (6) 551–551 (1991)

Yu.S. Barash “Introduction to the physics of high-temperature superconductors” 34 (6) 552–553 (1991)