Li, Jingbin; Wang, Xiulian; Zou, Hua Discounted penalty function of generalized compound Poisson model of two type insurance when funds fall to initial surplus. (Chinese. English summary) Zbl 1449.91104 J. Tianjin Norm. Univ., Nat. Sci. Ed. 39, No. 6, 7-11 (2019). MSC: 91G05 44A10 60J74 45K05 PDFBibTeX XMLCite \textit{J. Li} et al., J. Tianjin Norm. Univ., Nat. Sci. Ed. 39, No. 6, 7--11 (2019; Zbl 1449.91104) Full Text: DOI
Wang, Fengxiao Bipolar valued fuzzy bi-ideals with thresholds \( (\lambda,\mu)\) in semigroups. (Chinese. English summary) Zbl 1449.20080 J. Tianjin Norm. Univ., Nat. Sci. Ed. 39, No. 6, 12-16 (2019). MSC: 20N25 20M12 PDFBibTeX XMLCite \textit{F. Wang}, J. Tianjin Norm. Univ., Nat. Sci. Ed. 39, No. 6, 12--16 (2019; Zbl 1449.20080) Full Text: DOI
Guo, Jiawei; Lian, Huan Degenerate kernel method for the Fredholm integral equations of the second kind involving algebraic and logarithmic singularities. (Chinese. English summary) Zbl 1449.65360 J. Tianjin Norm. Univ., Nat. Sci. Ed. 39, No. 6, 1-6 (2019). MSC: 65R20 45B05 PDFBibTeX XMLCite \textit{J. Guo} and \textit{H. Lian}, J. Tianjin Norm. Univ., Nat. Sci. Ed. 39, No. 6, 1--6 (2019; Zbl 1449.65360) Full Text: DOI