Existence of bounded positive solutions for a system of difference equations. - Zeqing Liu; Liangshi Zhao; Shin Min Kang; Young Chel Kwun (Appl. Math. Comput., 2011)

Existence of uncountably many bounded positive solutions for second order nonlinear neutral delay difference equations. - Zeqing Liu; Liangshi Zhao; Shin Min Kang; Jeong Sheok Ume (Comput. Math. Appl., 2011)