Reviews of topical problems

V.A. Golenishchev-Kutuzov, R.V. Saburova, N.A. Shamukov “Double magnetoacoustic resonances in crystals” 19 449–461 (1976)

N.N. Berchenko, M.V. Pashkovskii “Mercury telluride—a zero-gap semiconductor” 19 462–480 (1976)

A.B. Vaganov “Polarized electrons from ferromagnets” 19 481–502 (1976)

M.N. Izakov “Structure and dynamics of the upper atmospheres of Venus and Mars” 19 503–529 (1976)

Methodological notes

D.A. Kirzhnits “Are the Kramers-Kronig relations for the dielectric permittivity of a material always valid?” 19 530–537 (1976)

B.M. Bolotovskii, V.A. Ugarov “A ’paradox’ of electrodynamics” 19 537–539 (1976)

Personalia

V.L. Ginzburg, Ya.B. Zel’dovich, B.B. Kadomtsev, L.M. Ozernoi, R.Z. Sagdeev, S.I. Syrovatskii, V.N. Tsytovich “Solomon Borisovich Pikerner (obituary)” 19 540–544 (1976)

I.P. Bazarov, N.N. Bogolyubov, B.B. Kadomtsev, I.I. Ol’khovskii, A.A. Sokolov, V.S. Fursov, R.V. Khokhlov “Anatolii Aleksandrovich Vlasov (obituary)” 19 545–546 (1976)