Discrete spectrum of the energy operator of an n-particle quantum system

On the discrete spectrum of the energy operator of one- and two-dimensional quantum three-particle systems

Properties of the time operator and the evolution of states of quantum systems in the region of the discrete energy spectrum

Discrete Spectrum of the Three-Particle Hamiltonian Operator

On the discrete spectrum of the Hamiltonian of an n-particle quantum system

Energy Transport in Quantum Systems with Discrete Spectrum

Discrete spectrum of many-particle quantum systems not having stable subsystems. II