TY - RPRT TI - Operator regularization and multiloop Green's functions. AU - L Culumovic AU - M Leblanc AU - RB Mann AU - DG McKeon AU - TN Sherry PY - 1990 DO - 10.1103/physrevd.41.514 UR - https://pubmed.ncbi.nlm.nih.gov/10012358/ ID - 10012358 ER -