Felix Alexandrovich Berezin (a brief scientific biography) / R.A. Minlos -- On the functional equation related to the quantum three-body problem / V.M. Buchstaber and A.M. Perelomov -- The differential calculus on quantum linear groups / L.D. Faddeev and P.N. Pyatov -- The Penrose transform on flag domains in F(CP²) / Simon Gindikin -- Defining relations associated with principal sl(2)-subalgebras / P. Grozman and D. Leites -- A generalization of the Berezin-Lieb inequality / A. Laptev and Yu. Safarov -- Quantization on para-Hermitian symmetric spaces / V.F. Molchanov -- Integral operators with Gaussian kernels and symmetries of canonical commutation relations / Yu. A. Neretin -- Ergodic unitarily invariant measures on the space of infinite Hermitian matrices / Grigori Olshanski and Anatoli Vershik -- Cogitations over Berezin's integral / V.P. Palamodov -- Remarks on the topology of the Hilbert Grassmannian / M.A. Shubin -- Asymptotic completeness / I.M. Sigal -- Constructive modules and the reductivity problem in the category [O] / D.P. Zhelobenko -- Alik Berezin in the recollections of friends