共 6 条
[1]
BRANDT W, 1971, PHYS LETT A, VA 35, P109
[3]
Feynman R. P., 1962, QUANTUM ELECTRODYNAM
[4]
POSITRON-ANNIHILATION AND ELECTRON CORRELATIONS IN METALS
[J].
PHYSICAL REVIEW B,
1975, 12 (05)
:1689-1706
[5]
RAMAREDDY K, 1970, NUOVO CIM, V56, P105