Quantum crossover behaviour of nonideal Bose systems

On the zero temperature critical behaviour of the nonideal Bose gas

The ensemble equivalence problem for Bose systems (nonideal Bose gas)

On the theory of a weakly nonideal bose gas

A nonideal Bose gas at finite temperatures

Josephson effect for a nonideal Bose gas

Unitary transformations in weakly nonideal Bose gases