FIELD-THEORY METHOD IN THE QUANTUM-MECHANICAL MANY-BODY PROBLEM. II. CONCEPT OF METHODS.

SOLUTION OF THE THEORY FOR THE QUANTUM-MECHANICAL FOUR-BODY PROBLEM.

FIELD-THEORETICAL METHOD IN THE MANY-BODY PROBLEM. I. THE FIELD- THEORETICAL METHOD

THE TREATMENT OF THE QUANTUM MECHANICAL MANY-BODY PROBLEMS WITH HELP OF MULTIPARTICLE FUNCTIONS

FIELD THEORY METHODS AND QUANTUM CRITICAL PHENOMENA

ASPECTS OF MANY-BODY PERTURBATION THEORY

APPLICATION OF QUANTUM FIELD THEORY METHODS TO THE MANY BODY PROBLEM