The Existence of Solutions of Linear Hamiltonian Equations with Unbounded Operators -- Resonance in the Oscillation of Linear Systems under the Action of an Almost Periodic Parametric Perturbation -- Some Properties of Transformers Defined by Double-Integral Operators -- On Multidimensional Integral Operators -- On One Class of Stieltjes Multiple-Integral Operators -- On the Propagation of Love Waves along the Surface of an Inhomogeneous Elastic Body of Arbitrary Shape -- The Dirichlet Problem for Two-Dimensional Quasi-Linear Second-Order Elliptic Equations -- On Carlesonโ{128}{153}s Uniqueness Theorem for Analytic Functions with a Finite Dirichlet Integral