%A XU Junī€‘lian %T Eigen-value functions of some functions of orthogonal projections %0 Journal Article %D 2011 %J JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) %R %P 70-74 %V 46 %N 6 %U {http://lxbwk.njournal.sdu.edu.cn/CN/abstract/article_921.shtml} %8 2011-06-16 %X