Institution: | 1. College of Mathematics, Jilin University, Changchun, 130012;2. General 0ffice, CPECC Jilin Design Branch, Jilin City, Jilin, 132022;3. College of Information Technology, Jilin Agricultural University, Changchun, 130118;4. Fundamental Department, Aviation University of Air Force, Changchun, 130022;5. Group of Mathematics, No.1 Middle School of Heze, Heze, Shandong, 274000 |