%0 Journal Article %J Fundam. Inform. %D 1991 %T Reasoning about ignorance: A note on the Bush-Gorbachev problem %A Kraus,S. %A Perlis, Don %A Horty,J. F %B Fundam. Inform. %V 15 %P 325 - 332 %8 1991/// %G eng %N 3-4