Chen, Yingwei; Wang, Zhijun; Liu, Yujun Jackson’s theorem in Hardy type \(\mathcal{A}_\mu\) spaces. (Chinese. English summary) Zbl 1289.41010 J. Hebei Norm. Univ., Nat. Sci. Ed. 37, No. 2, 113-118 (2013). MSC: 41A10 30H20 PDFBibTeX XMLCite \textit{Y. Chen} et al., J. Hebei Norm. Univ., Nat. Sci. Ed. 37, No. 2, 113--118 (2013; Zbl 1289.41010)
Chen, Yingwei; Liu, Yujun A strong converse inequality in Hardy type spaces \(\mathcal{A}_\mu\). (Chinese. English summary) Zbl 1265.41041 J. Hebei Norm. Univ., Nat. Sci. Ed. 35, No. 4, 336-342 (2011). MSC: 41A35 PDFBibTeX XMLCite \textit{Y. Chen} and \textit{Y. Liu}, J. Hebei Norm. Univ., Nat. Sci. Ed. 35, No. 4, 336--342 (2011; Zbl 1265.41041)
Zuo, Dawei; Jia, Huixian; Liu, Yujun Weighted inequalities of singular integral operators on nonhomogeneous spaces. (Chinese. English summary) Zbl 1250.42068 J. Hebei Norm. Univ., Nat. Sci. Ed. 35, No. 2, 130-134, 203 (2011). MSC: 42B20 PDFBibTeX XMLCite \textit{D. Zuo} et al., J. Hebei Norm. Univ., Nat. Sci. Ed. 35, No. 2, 130--134, 203 (2011; Zbl 1250.42068)
Lv, Xiaojing; Tian, Yu; Liu, Yujun The oscillation behavior for second-order self-adjoint neutral difference equations. (Chinese. English summary) Zbl 1044.39009 J. Hebei Norm. Univ., Nat. Sci. Ed. 27, No. 1, 4-7 (2003). Reviewer: Wan-Tong Li (Lanzhou) MSC: 39A11 PDFBibTeX XMLCite \textit{X. Lv} et al., J. Hebei Norm. Univ., Nat. Sci. Ed. 27, No. 1, 4--7 (2003; Zbl 1044.39009)
Li, Fumei; Tian, Yu; Liu, Yujun; Sun, Xidong The existence and asymptotical property of nonlinear neutral difference equation with multiply delay. (Chinese. English summary) Zbl 1046.39007 J. Hebei Norm. Univ., Nat. Sci. Ed. 27, No. 2, 113-115 (2003). MSC: 39A11 PDFBibTeX XMLCite \textit{F. Li} et al., J. Hebei Norm. Univ., Nat. Sci. Ed. 27, No. 2, 113--115 (2003; Zbl 1046.39007)
Sun, Xidong; Lv, Xiaojing; Liu, Yujun; Li, Fumei The oscillation of nonlinear neutral difference equation with multiply delay. (Chinese. English summary) Zbl 1051.39015 J. Hebei Norm. Univ., Nat. Sci. Ed. 27, No. 2, 109-112, 129 (2003). MSC: 39A11 39A10 PDFBibTeX XMLCite \textit{X. Sun} et al., J. Hebei Norm. Univ., Nat. Sci. Ed. 27, No. 2, 109--112, 129 (2003; Zbl 1051.39015)
Yang, Jianfa; Dong, Wenlei; Liu, Yujun Existence of positive solutions for higher order neutral difference equations. (Chinese. English summary) Zbl 1034.39012 J. Hebei Norm. Univ., Nat. Sci. Ed. 25, No. 3, 284-286, 295 (2001). Reviewer: Wan-Tong Li (Lanzhou) MSC: 39A11 PDFBibTeX XMLCite \textit{J. Yang} et al., J. Hebei Norm. Univ., Nat. Sci. Ed. 25, No. 3, 284--286, 295 (2001; Zbl 1034.39012)