Agarwal, Ravi P.; Mustafa, Octavian G.; Popescu, Liviu On the positive solutions of certain semi-linear elliptic equations. (English) Zbl 1187.34033 Bull. Belg. Math. Soc. - Simon Stevin 16, No. 1, 49-57 (2009). Reviewer: Mats Ehrnström (Hannover) MSC: 34B18 34B05 35J60 PDFBibTeX XMLCite \textit{R. P. Agarwal} et al., Bull. Belg. Math. Soc. - Simon Stevin 16, No. 1, 49--57 (2009; Zbl 1187.34033) Full Text: Euclid
O’Regan, Donal; Shahzad, Naseer; Agarwal, Ravi P. Birkhoff–Kellogg and best proximity pair results. (English) Zbl 1131.47053 Bull. Belg. Math. Soc. - Simon Stevin 13, No. 4, 645-655 (2006). Reviewer: Jin Liang (Hefei) MSC: 47H10 41A65 46B20 PDFBibTeX XMLCite \textit{D. O'Regan} et al., Bull. Belg. Math. Soc. - Simon Stevin 13, No. 4, 645--655 (2006; Zbl 1131.47053)
O’Regan, Donal; Agarwal, Ravi P.; Jiang, Daqing Fixed point and homotopy results in uniform spaces. (English) Zbl 1084.47049 Bull. Belg. Math. Soc. - Simon Stevin 11, No. 2, 289-296 (2004). Reviewer: S. P. Singh (London, Ontario) MSC: 47H10 54H25 54E15 PDFBibTeX XMLCite \textit{D. O'Regan} et al., Bull. Belg. Math. Soc. - Simon Stevin 11, No. 2, 289--296 (2004; Zbl 1084.47049) Full Text: Euclid
Agarwal, Ravi P.; O’Regan, Donal Second and higher order boundary value problems of nonsingular type. (English) Zbl 0954.34012 Bull. Belg. Math. Soc. - Simon Stevin 7, No. 1, 43-52 (2000). Reviewer: Andrei Ronto (Kyïv) MSC: 34B18 34B15 PDFBibTeX XMLCite \textit{R. P. Agarwal} and \textit{D. O'Regan}, Bull. Belg. Math. Soc. - Simon Stevin 7, No. 1, 43--52 (2000; Zbl 0954.34012)