Vasil'yevich Bolotin: 80th birthday tribute A. P. MARKEYEV: On multiple parametric resonance in Hamiltonian systems A. V. KARAPETYAN: Invariant sets in the Goryachev-Chaplygin problem: existence stability and bifurcation A. N. SIROTIN: Analytical solutions in the problem of optimum control of rotation of an axisymmetric body R. G. MUKHARLYAMOV: Stabilization of motions of mechanical systems on given manifolds in phase space I. F. KOZHEVNIKOV: Vibrations of a free and loaded tyre A. G. KULIKOVSKII: On global instability of uniform flows in non-one dimensional domains O. V. VOINOV: Flows with quasiequilibrium free boundaries in the dynamic wetting of solids V. V. RYNDIN: On the reconstruction of the Brunt-VaisΓ€la frequency S. Z. DUNIN, D. N. MIKHAILOV and V. N. NIKOLAYEVSKII: P-waves in partially saturated poroelastic media: gas bubbles effect M. I. ZELIKIN and L. A. MANITA: Optimal chattering modes in the problem of Timoshenko beam control D. V. KUSHNIR and L. A. FIL'SHTINSKII: Harmonic and pulse perturbations of multiply connected cylindrical bodies K. V. AVRAMOV: Qualitative analysis of subharmonic oscillations of a parametrically excited beam M. A. IL'GAMOV: Bending equations of sandwich plates with prestressed core L. M. ZUBOV: Non-linear Saint-Venant's problem for torsion, tension and bending of a naturally twisted rod I. A.