〖HT4K〗段希波1,〓张计光2,3,〓颜〓勇1
(1.山东水利职业学院,山东 276826; 2.日照职业技术学院,山东 276826;
3.上海大学 上海市应用数学和力学研究所,上海 200072)
DUAN Xibo1,〓ZHANG Jiguang2,3,〓YAN Yong1
(1. Shandong Water Conservancy Polytechnic, Shandong 276826, China;
2. Rizhao Vocational College, Shandong 276826, China;
3. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University,
Shanghai 200072, China)