TOWARDS A QUANTUM MANY-BODY THEORY OF LATTICE DYNAMICS .2. COLLECTIVE FLUCTUATION APPROXIMATION

[21] GREENS FUNCTION APPROACH TO QUANTUM MANY-BODY THEORY OF SOLID STATE [J]. ZEITSCHRIFT FUR PHYSIK, 1967, 205 (03): : 249 - &

[22] CALCULATIONS OF SOUND VELOCITIES IN CRYSTALLINE HELIUM AT ZERO TEMPERATURE [J]. PHYSICAL REVIEW LETTERS, 1965, 15 (15) : 618 - +

[23] STUDY OF EXCHANGE INTEGRAL OF CRYSTALLINE 3HE AT 0 DEGREES K [J]. PHYSICAL REVIEW LETTERS, 1965, 14 (05) : 133 - &

[24] LATTICE THERMAL CONDUCTIVITY [J]. PHYSICAL REVIEW, 1965, 140 (6A): : 2031 - +

[25] Sarma G., 1965, PHYS PHYS FIZ, V1, P219, DOI [10.1103/PhysicsPhysiqueFizika.1.219, DOI 10.1103/PHYSICSPHYSIQUEFIZIKA.1.219]

[26] 1955, HIGHER TRANSCENDENTA, V2, P189

[21] GREENS FUNCTION APPROACH TO QUANTUM MANY-BODY THEORY OF SOLID STATE [J]. ZEITSCHRIFT FUR PHYSIK, 1967, 205 (03): : 249 - &

[22] CALCULATIONS OF SOUND VELOCITIES IN CRYSTALLINE HELIUM AT ZERO TEMPERATURE [J]. PHYSICAL REVIEW LETTERS, 1965, 15 (15) : 618 - +

[23] STUDY OF EXCHANGE INTEGRAL OF CRYSTALLINE 3HE AT 0 DEGREES K [J]. PHYSICAL REVIEW LETTERS, 1965, 14 (05) : 133 - &

[24] LATTICE THERMAL CONDUCTIVITY [J]. PHYSICAL REVIEW, 1965, 140 (6A): : 2031 - +

[25] Sarma G., 1965, PHYS PHYS FIZ, V1, P219, DOI [10.1103/PhysicsPhysiqueFizika.1.219, DOI 10.1103/PHYSICSPHYSIQUEFIZIKA.1.219]

[26] 1955, HIGHER TRANSCENDENTA, V2, P189