%A Cassard, Marcel %A Folkerts-Landau, D. F. I. (David Fokke Ihno) %A International Monetary Fund. Research Dept %T Risk management of Sovereign assets and liabilities %I International Monetary Fund %D 1997 %S IMF working paper %V WP/97/166 %U https://ci.nii.ac.jp/ncid/BA46825509