About author:ZHANG Shen-gui(1980-), male, native of Lanzhou, Gansu, an associate professor of Northwest
University for Nationalities, M.S.D., engages in nonlinear functional analysis.
Supported by:
Supported by the National Natural Science Foundation of China(31260098);
ZHANG Shen-gui. Multiple Periodic Solutions for a Class of Fourth-order Difference Systems[J]. Chinese Quarterly Journal of Mathematics, 2016, 31(3): 260-268.