D. D. IVLEV (70th birthday) I. M. ANAN'YEVSKII: Control of a fourth-order linear system subject to mixed constraints Yu. K. ZOTOV: Controllability and stabilization of programmed motion of a transport robot N. V. SMIRNOV and T. Ye. SMIRNOV: Synthesis of multiprogrammedcontrol for bilinear systems V. N. KOSI-ILYAKOV: On the structural transformations of nonconservative systems V. V. KOZLOV: Two-link billiard trajectories: extremal conditions and stability A. A. MAILYBAEV and A. A. SEYRANLWz On boundaries of the parametric resonance domain N. B. GRIGOR'YEVA: The stability of the equilibrium of ellipsoids of a rotating liquid V. Yu. LYAPIDEVSKII: Roll wave patterns in two-layer flows A. B. ZIMIN, V. A. KALINICI-IENKO, S. Ya. SEKERZH-ZBN'KOVICH and I. K. SHINGAREVA Excitation of Tsunami waves by low-frequency non-stationary point and distributed centres of dilatation E. V. TEODOROVICH: On the effective conductivity of a randomly inhomogeneous medium P. A. MAZUROV: The construction of dual variational principles of the theory of incompressible fluid seepage in some deformable complex media 0. SIPOV: Generalization of the functionally invariant solutions method for dynamic problems of the plane elasticity of anisotropic media A. G. KULIOKOVSKII and A. P. CHUGAINOVA: On quasitransverse shock wave stability in anisotropic elastic media V. A. ROMASHCHENKO: Anomalous reflection of nonclassical waves from ultrathin obstacles A. S. BRATUS' and V. P. POSVYANSKII: On optimum shape of a bent beam I. N. DASHEVSKII and V. E. SHKLOVER: Problems of compliance maximization of cmvilinear bars L. A. MAKSIMOVA: A limiting state of a layer compressed by rough plates I