GREEN'S TEMPERATURE FUNCTIONS FOR A SLIGHTLY NONIDEAL BOSE--EINSTEIN SYSTEM.

GREEN'S FUNCTIONS FOR THE BOSE SUPERFLUID AND THE RELATIONS BETWEEN KINETICAL COEFFICIENTS.

THREE-OPERATOR GREEN'S FUNCTIONS FOR THE SUPERFLUID BOSE-SYSTEMS.

SOME MODELS OF NONIDEAL BOSE GAS WITH BOSE-EINSTEIN CONDENSATE

GAUGE TRANSFORMATION AND GREEN'S FUNCTIONS FOR SUPERFLUID BOSE-SYSTEMS.

FINITE-TEMPERATURE EFFECTS IN BOSE-EINSTEIN CONDENSATES

Temperature Green's Functions for Weakly Nonideal Bose-Einstein Systems