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- [2] NONSTANDARD PERTURBATION-THEORY FOR GREEN-FUNCTIONS IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA, 1978, (08): : 126 - 133
- [3] SIGNIFICANCE OF CONSTRAINTS ASSOCIATED WITH GREEN-FUNCTIONS IN HAMILTONIAN PERTURBATION-THEORY NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS, 1987, 97 (04): : 535 - 556
- [4] LARGE ORDERS OF PERTURBATION-THEORY FOR ANHARMONIC-OSCILLATOR GREEN-FUNCTIONS PHYSICAL REVIEW D, 1983, 28 (02): : 334 - 339
- [6] ON THE CORRECT USE OF PERTURBATION-THEORY FOR THE CALCULATION OF ONE-PARTICLE GREEN-FUNCTIONS PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1989, 153 (02): : 623 - 631
- [7] NONEQUILIBRIUM GREEN-FUNCTIONS - GENERALIZED WICKS THEOREM AND DIAGRAMMATIC PERTURBATION-THEORY WITH INITIAL CORRELATIONS JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1975, 8 (02): : 214 - 225
- [8] QUANTUM KINETIC-THEORY OF CHARGED KLEIN-GORDON PARTICLES .2. PERTURBATION-THEORY OF NONEQUILIBRIUM STATISTICAL GREEN-FUNCTIONS PROCEEDINGS OF THE KONINKLIJKE NEDERLANDSE AKADEMIE VAN WETENSCHAPPEN SERIES B-PALAEONTOLOGY GEOLOGY PHYSICS CHEMISTRY ANTHROPOLOGY, 1979, 82 (04): : 353 - 366