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
"Bartolini, Leonardo and Cottarelli, Carlo and Spitäller, Erich and International Monetary Fund",Government Ponzi games and debt dynamics under uncertainty,,International Monetary Fund,1991,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000798104056064