Álvarez, T. On regular linear relations. (English) Zbl 1483.47005 Acta Math. Sin., Engl. Ser. 28, No. 1, 183-194 (2012). MSC: 47A06 PDFBibTeX XMLCite \textit{T. Álvarez}, Acta Math. Sin., Engl. Ser. 28, No. 1, 183--194 (2012; Zbl 1483.47005) Full Text: DOI
Álvarez, Teresa On the perturbation of semi-Fredholm relations with complemented ranges and null spaces. (English) Zbl 1214.47009 Acta Math. Sin., Engl. Ser. 26, No. 8, 1545-1554 (2010). Reviewer: Mohamed Zohry (Tétouan) MSC: 47A06 47A53 47A55 PDFBibTeX XMLCite \textit{T. Álvarez}, Acta Math. Sin., Engl. Ser. 26, No. 8, 1545--1554 (2010; Zbl 1214.47009) Full Text: DOI
Yan, Baoqiang; O’Regan, Donal; Agarwal, Ravi P. Positive solutions to singular boundary value problems with sign changing nonlinearities on the half-line via upper and lower solutions. (English) Zbl 1133.34017 Acta Math. Sin., Engl. Ser. 23, No. 8, 1447-1456 (2007). Reviewer: Dingyong Bai (Guangzhou) MSC: 34B18 34B16 34B40 PDFBibTeX XMLCite \textit{B. Yan} et al., Acta Math. Sin., Engl. Ser. 23, No. 8, 1447--1456 (2007; Zbl 1133.34017) Full Text: DOI