1 Fluid Pressure on the Wetted Surface of the Cavity -- [1] The Velocity Potential -- [2] Pressure in Regions Occupied by the Fluid Masses -- [3] The Force Equation and the Moment Equation -- [4] Moments of Inertia of a Solid Body Containing Fluid Masses -- 2 Equations of Motion of an Elastic Body with Cavities Partially Filled with an Ideal Fluid -- [1] Elastic Displacements $$\vec u\left( {x,{\text{ }}y,{\text{ }}z,{\text{ }}t} \right)$$ -- [2] Steady Motion -- [3] Disturbances of Steady Motion -- [4] Disturbances Brought About by Changes in Initial Conditions -- [5] Impulsive Disturbances of Steady Motion -- [6] Integro-Differential Equations of Motion -- [7] Reducing Several Boundary-Value Problems to One, Principal Boundary-Value Problem -- 3 The Basic Boundary-value Problem -- [1] The Homogeneous Boundary-Value Problem -- [2] The Nonhomogeneous Boundary-Value Problem -- [3] Variational Statement of the problem -- [4] Asymptotic Expansion of the Basic Functional -- [5] Refining the Basic Equations of the Strength of Materials -- [6] Approximate Solution of the Basic Boundary-Value Problem -- 4 Vibrations of an Elastic Body Containing Fluid Masses -- [1] Natural Vibrations of an Elastic Body Containing Fluid Masses -- [2] Stability of the Steady Motion -- [3] Uniqueness of the Solution of Cauchy's Problem for the Elastic Displacements $$\vec u\left( {x,{\text{ }}y,{\text{ }}z,{\text{ }}t} \right)$$ and the Pressure p(x, y, z, t) -- [4] The Conjugate Boundary-Value Problem, Biorthogonal System of Eigenfunctions -- [5] Forced Vibrations of a Fluid-Filled Elastic Body -- [6] Ordinary Differential Equations of Motion -- 5 The Case When the Elastic Body Is Symmetrical with Respect to Two Mutually Perpendicular Planes -- [1] Transformation of The Basic Boundary-Value Problem -- [2] Determinant D (?) -- [3] Longitudinal and Flexural Vibrations of an Elastic Body Containing Fluid -- [4] Natural Flexural Vibrations and Their Stability -- References.