@book{
  author = "杉田, 勝実, 岡本, 良夫, 関根, 松夫",
  title = "経路積分と量子電磁力学",
  year: 1998
  month: 10
  key = "量子電磁力学",
  key = "量子力学",
  publisher = "森北出版",
  address = "東京",
  ISSN/ISBN = "9784627782716 [4627782713]",
}