Sun, Qinfu; Yuan, Chunmei Fixed point theorems of mixed monotone operator. (Chinese. English summary) Zbl 1212.47030 J. Shangqiu Teach. Coll. 25, No. 3, 28-30 (2009). MSC: 47H07 47H10 47J25 PDFBibTeX XMLCite \textit{Q. Sun} and \textit{C. Yuan}, J. Shangqiu Teach. Coll. 25, No. 3, 28--30 (2009; Zbl 1212.47030)
Sun, Qinfu; Luan, Shixia; Tian, Kai Existence and uniqueness theorems of solutions for systems of mixed monotone operator equations. (Chinese. English summary) Zbl 1174.47374 J. Shangqiu Teach. Coll. 23, No. 12, 15-18 (2007). MSC: 47J05 47H05 47H10 PDFBibTeX XMLCite \textit{Q. Sun} et al., J. Shangqiu Teach. Coll. 23, No. 12, 15--18 (2007; Zbl 1174.47374)