Reviews of topical problems

B.D. Agap’ev, M.B. Gornyi, B.G. Matisov, Yu.V. Rozhdestvenskii “Coherent population trapping in quantum systems” Phys. Usp. 36 (9) 763–793 (1993)

B.A. Nadykto “A semiempirical model for calculation of the energies of states of multielectron ions” Phys. Usp. 36 (9) 794–827 (1993)

From the current literature

A.I. Morozov, A.S. Sigov “Muon spin relaxation in crystals with defects” Phys. Usp. 36 (9) 828–840 (1993)

Methodological notes

V.P. Bykov “Squeezed light and nonclassical motion in mechanics” Phys. Usp. 36 (9) 841–850 (1993)

E.E. Nikitin, L.P. Pitaevskii “Imaginary time and the Landau method of calculating quasiclassical matrix elements” Phys. Usp. 36 (9) 851–853 (1993)

E.A. Andryushin, V.L. Ginzburg, A.P. Silin “Boundary conditions in the macroscopic theory of superconductivity” Phys. Usp. 36 (9) 854–857 (1993)

From the history of physics

G.M. Arutyunyan, V.I. Gol’danskii, N.M. Kuznetsov, A.A. Rukhadze, O.A. Sinkevich, N.L. Solomina, L.G. Stepanova “Sergei Petrovich D’yakov and his contributions to science” Phys. Usp. 36 (9) 858–864 (1993)

Personalia

N.G. Basov, V.S. Burakov, A.P. Voitovich, V.V. Gruzinskii, V.A. Tolkachev, F.I. Fedorov “Nikolai Aleksandrovich Borisevich (on his seventieth birthday)” Phys. Usp. 36 (9) 865–867 (1993)

Errata

V.P. Demutskii, R.V. Polovin “Conceptual problems in quantum mechanics” Phys. Usp. 36 (9) 868–907 (1993)