in SYMMETRIES AND ALGEBRAIC STRUCTURES IN PHYSICS, PT 1: QUANTUM FIELD THEORY, QUANTUM MECHANICS AND QUANTUM OPTICS in PROCEEDINGS OF THE LEBEDEV INSTITUTE OF THE ACADEMY OF SCIENCES OF RUSSIA
Volume: 187, Pages: 89-95 (7)
Conference
18Th International Colloquium On Group Theoretical Methods In Physics, Date: JUN 04-09, 1990, Location: MOSCOW, USSR, Sponsors: INT UNION PURE & APPL PHYS, ACAD SCI USSR, NUCL PHYS DEPT, ACAD SCI USSR, LEBEDEV PHYS INST