1. Uncertainty Theory;Liu,2007
2. Uncertainty Theory: A Branch of Mathematics for Modeling Human Uncertainty;Liu,2010
3. Some properties of continuous uncertain measure;Gao;International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems,2009
4. Some research problems in uncertainty theory;Liu;Journal of Uncertain Systems,2009
5. Hybrid logic and uncertain logic;Li;Journal of Uncertain Systems,2009