共 26 条
[6]
OPERATOR ORDERING AND FEYNMAN-RULES IN GAUGE-THEORIES
[J].
PHYSICAL REVIEW D,
1980, 22 (04)
:939-958
[9]
Faddeev L.D., 1969, TEOR MAT FYZ, V1, P3, DOI 10.1007/BF01028566