Title: Inverse Problems in the Theory of Small Oscillations
Subjects: Matrices, Oscillations, Frequencies of oscillating systems, Mechanics of particles and systems -- Dynamics of a system of particles, including celestial mechanics -- Inverse problems, Numerical analysis -- Partial differential equations, boundary value problems -- Inverse problems, Partial differential equations -- Spectral theory and eigenvalue problems -- Scattering theory, Partial differential equations -- Equations of mathematical physics and other areas of application -- PDEs in connection with mechanics of particles and systems, Numerical analysis -- Integral equations, integral transforms -- Inverse problems