Xu, Meng Existence of renormalized solutions for an evolution equation with small measure. (Chinese) Zbl 1151.35379 Acta Sci. Nat. Univ. Pekin. 42, No. 5, 619-623 (2006). MSC: 35K20 35R05 PDF BibTeX XML Cite \textit{M. Xu}, Acta Sci. Nat. Univ. Pekin. 42, No. 5, 619--623 (2006; Zbl 1151.35379)
Chen, Qi Zhi; Chen, Jia Ding A note on the Lorenz curve and Gini coefficient. (Chinese) Zbl 1151.62310 Acta Sci. Nat. Univ. Pekin. 42, No. 5, 613-618 (2006). MSC: 62F12 91B82 PDF BibTeX XML Cite \textit{Q. Z. Chen} and \textit{J. D. Chen}, Acta Sci. Nat. Univ. Pekin. 42, No. 5, 613--618 (2006; Zbl 1151.62310)
Hu, De Kun; Dong, Gang; Xu, Ji Cheng Relative value-at-risk: a new kind of coherent risk measure. (Chinese) Zbl 1151.91571 Acta Sci. Nat. Univ. Pekin. 42, No. 5, 598-603 (2006). MSC: 91B30 PDF BibTeX XML Cite \textit{D. K. Hu} et al., Acta Sci. Nat. Univ. Pekin. 42, No. 5, 598--603 (2006; Zbl 1151.91571)
Wan, Zhaoze; Li, Jian Difference sets in groups of order \(4p^4\). (Chinese) Zbl 1151.05313 Acta Sci. Nat. Univ. Pekin. 42, No. 5, 590-597 (2006). MSC: 05B10 20C15 PDF BibTeX XML Cite \textit{Z. Wan} and \textit{J. Li}, Acta Sci. Nat. Univ. Pekin. 42, No. 5, 590--597 (2006; Zbl 1151.05313)
Zhao, Hui; Zheng, Zhong Guo; Xu, Jing Causal inference in models with hidden variables and selection bias. (Chinese) Zbl 1151.62300 Acta Sci. Nat. Univ. Pekin. 42, No. 5, 584-589 (2006). MSC: 62-07 62F15 65C60 05C90 PDF BibTeX XML Cite \textit{H. Zhao} et al., Acta Sci. Nat. Univ. Pekin. 42, No. 5, 584--589 (2006; Zbl 1151.62300)
Yu, Jianping; Sun, Yongli; Ma, Yujie Implicitization of rational curves and surfaces. (Chinese) Zbl 1151.65314 Acta Sci. Nat. Univ. Pekin. 42, No. 5, 578-583 (2006). MSC: 65D17 14Q10 68U07 PDF BibTeX XML Cite \textit{J. Yu} et al., Acta Sci. Nat. Univ. Pekin. 42, No. 5, 578--583 (2006; Zbl 1151.65314)