Reviews of topical problems

S.S. Abdullaev, G.M. Zaslavskii “Classical nonlinear dynamics and chaos of rays in problems of wave propagation in inhomogeneous media” 34 (8) 645–664 (1991)

V.A. Davydov, V.S. Zykov, A.S. Mikhailov “Kinematics of autowave structures in excitable media” 34 (8) 665–684 (1991)

E.Z. Valiev “Phenomenological theory of magnetoelastic interactions in Invars and Elinvars” 34 (8) 685–704 (1991)

Physics of our days

E.A. Andryushin, A.P. Silin “Physical problems in solar energy” 34 (8) 705–710 (1991)

B.M. Smirnov “A tangle of fractal fibers as a new state of matter” 34 (8) 711–716 (1991)

From the current literature

V.A. Moskalenko, M.E. Palistrant, V.M. Vakalyuk “High-temperature superconductivity and the characteristics of the electronic energy spectrum” 34 (8) 717–728 (1991)

Conferences and symposia

V.L. Aksenov “Research on high-temperature superconductors using the IBR-2 high-flux pulsed reactor” 34 (8) 729–730 (1991)

Personalia

A.M. Baldin, N.G. Basov, V.L. Ginzburg, N.A. Dobrotin, G.T. Zatsepin, L.V. Keldysh, M.A. Markov, S.I. Nikol’skii, A.M. Prokhorov, E.L. Feinberg, G.B. Khristiansen, A.E. Chudakov “Dmitrii Vladimirovich Skobel’tsyn (Obituary)” 34 (8) 731–732 (1991)

S.T. Belyaev, V.G. Vaks, I.I. Gurevich, V.I. Kogan, A.I. Larkin, L.B. Okun, B. Pontecorvo, E.E. Sapershtein, A.N. Skrinskii, V.A. Suetin, B.A. Trubnikov, I.M. Khalatnikov, V.A. Khodel’ “Arkadii Benediktovich Migdal (Obituary)” 34 (8) 733–735 (1991)