Hussain, N. Common fixed points in best approximation for Banach operator pairs with Ćirić type \(I\)-contractions. (English) Zbl 1134.47039 J. Math. Anal. Appl. 338, No. 2, 1351-1363 (2008). Reviewer: T. D. Narang (Amritsar) MSC: 47H10 41A65 41A50 PDFBibTeX XMLCite \textit{N. Hussain}, J. Math. Anal. Appl. 338, No. 2, 1351--1363 (2008; Zbl 1134.47039) Full Text: DOI
O’Regan, D.; Hussain, N. Generalized \(I\)-contractions and pointwise \(R\)-subweakly commuting maps. (English) Zbl 1139.47041 Acta Math. Sin., Engl. Ser. 23, No. 8, 1505-1508 (2007). Reviewer: Grzegorz Gabor (Toruń) MSC: 47H10 54H25 PDFBibTeX XMLCite \textit{D. O'Regan} and \textit{N. Hussain}, Acta Math. Sin., Engl. Ser. 23, No. 8, 1505--1508 (2007; Zbl 1139.47041) Full Text: DOI
Jungck, G.; Hussain, N. Compatible maps and invariant approximations. (English) Zbl 1110.54024 J. Math. Anal. Appl. 325, No. 2, 1003-1012 (2007). Reviewer: Christian Fenske (Gießen) MSC: 54H25 47H10 PDFBibTeX XMLCite \textit{G. Jungck} and \textit{N. Hussain}, J. Math. Anal. Appl. 325, No. 2, 1003--1012 (2007; Zbl 1110.54024) Full Text: DOI