Chen, Xigeng; Guo, Yongdong; Le, Maohua On the number of solutions of the generalized Ramanujan-Nagell equation \(x^2+D=k^n\). (Chinese. English summary) Zbl 1005.11010 Acta Math. Sin. 41, No. 6, 1249-1254 (1998). MSC: 11D61 11D45 PDFBibTeX XMLCite \textit{X. Chen} et al., Acta Math. Sin. 41, No. 6, 1249--1254 (1998; Zbl 1005.11010)
Yuan, Pingzhi On the number of the solutions of \(x^2-D=p^n\). (English) Zbl 0923.11057 J. Sichuan Univ., Nat. Sci. Ed. 35, No. 3, 311-316 (1998). Reviewer: Le Maohua (Zhanjiang) MSC: 11D61 11J86 PDFBibTeX XMLCite \textit{P. Yuan}, J. Sichuan Univ., Nat. Sci. Ed. 35, No. 3, 311--316 (1998; Zbl 0923.11057)