著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Milton, K. A.","Schwinger's quantum action principle : from Dirac's formulation through Feynman's path integrals, the Schwinger-Keldysh method, quantum field theory, to source theory",,Springer,2015,SpringerBriefs in Physics,,9783319201276,,https://cir.nii.ac.jp/crid/1130000797659420416