@article{weko_59973_1,
   author	 = "Kaoru,Sakamoto and Toshio,Aoe",
   title	 = "The Automatic Generation of Feynman Diagrams in Quantum Statistical Mechanics",
   journal	 = "Journal of Information Processing ",
   year 	 = "1981",
   volume	 = "4",
   number	 = "2",
   pages	 = "89--90",
   month	 = "jul"
}