Murthy, Penumarthy Parvateesam; Devi Patel, Uma Common fixed point theorems of Greguš type \((\phi, \psi)\)-weak contraction for \(R\)-weakly commuting mappings in 2-metric spaces. (English) Zbl 1371.54181 J. Oper. 2015, Article ID 195731, 9 p. (2015). MSC: 54H25 54C60 54E40 PDF BibTeX XML Cite \textit{P. P. Murthy} and \textit{U. Devi Patel}, J. Oper. 2015, Article ID 195731, 9 p. (2015; Zbl 1371.54181) Full Text: DOI OpenURL
Moradi, Sirous; Farajzadeh, Ali On Olaleru’s open problem on Gregus fixed point theorem. (English) Zbl 1291.90310 J. Glob. Optim. 56, No. 4, 1689-1697 (2013). MSC: 90C48 PDF BibTeX XML Cite \textit{S. Moradi} and \textit{A. Farajzadeh}, J. Glob. Optim. 56, No. 4, 1689--1697 (2013; Zbl 1291.90310) Full Text: DOI OpenURL
Saha, M.; Ganguly, Anamika Random fixed point theorem on a Ćirić-type contractive mapping and its consequence. (English) Zbl 1397.47007 Fixed Point Theory Appl. 2012, Paper No. 209, 18 p. (2012). MSC: 47H10 60H25 PDF BibTeX XML Cite \textit{M. Saha} and \textit{A. Ganguly}, Fixed Point Theory Appl. 2012, Paper No. 209, 18 p. (2012; Zbl 1397.47007) Full Text: DOI OpenURL
Popescu, Ovidiu Two generalizations of some fixed point theorems. (English) Zbl 1236.54043 Comput. Math. Appl. 62, No. 10, 3912-3919 (2011). MSC: 54H25 54E40 54E50 PDF BibTeX XML Cite \textit{O. Popescu}, Comput. Math. Appl. 62, No. 10, 3912--3919 (2011; Zbl 1236.54043) Full Text: DOI OpenURL
Chandok, Sumit; Narang, T. D. Common fixed points and invariant approximation for Gregus type contraction mappings. (English) Zbl 1237.41012 Rend. Circ. Mat. Palermo (2) 60, No. 1-2, 203-214 (2011). Reviewer: Richard A. Zalik (Auburn) MSC: 41A50 47H10 54H25 PDF BibTeX XML Cite \textit{S. Chandok} and \textit{T. D. Narang}, Rend. Circ. Mat. Palermo (2) 60, No. 1--2, 203--214 (2011; Zbl 1237.41012) Full Text: DOI OpenURL
Moradi, Sirous A counterexample to “An extension of Gregus fixed point theorem”. (English) Zbl 1215.47046 Fixed Point Theory Appl. 2011, Article ID 484717, 3 p. (2011). MSC: 47H10 54H25 PDF BibTeX XML Cite \textit{S. Moradi}, Fixed Point Theory Appl. 2011, Article ID 484717, 3 p. (2011; Zbl 1215.47046) Full Text: DOI EuDML OpenURL
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 PDF BibTeX XML Cite \textit{N. Hussain}, J. Math. Anal. Appl. 338, No. 2, 1351--1363 (2008; Zbl 1134.47039) Full Text: DOI OpenURL
Hussain, N.; Rhoades, B. E.; Jungck, G. Common fixed point and invariant approximation results for Gregus type \(I\)-contractions. (English) Zbl 1140.47043 Numer. Funct. Anal. Optim. 28, No. 9-10, 1139-1151 (2007). Reviewer: T. D. Narang (Amritsar) MSC: 47H10 54H25 PDF BibTeX XML Cite \textit{N. Hussain} et al., Numer. Funct. Anal. Optim. 28, No. 9--10, 1139--1151 (2007; Zbl 1140.47043) Full Text: DOI OpenURL
Ćirić, Ljubomir On a generalization of a Greguš fixed point theorem. (English) Zbl 1079.47509 Czech. Math. J. 50, No. 3, 449-458 (2000). MSC: 47H10 54H25 PDF BibTeX XML Cite \textit{L. Ćirić}, Czech. Math. J. 50, No. 3, 449--458 (2000; Zbl 1079.47509) Full Text: DOI EuDML OpenURL
Ćirić, Ljubomir B. A new class of nonexpansive type mappings and fixed points. (English) Zbl 1003.54024 Czech. Math. J. 49, No. 4, 891-899 (1999). MSC: 54H25 47H09 PDF BibTeX XML Cite \textit{L. B. Ćirić}, Czech. Math. J. 49, No. 4, 891--899 (1999; Zbl 1003.54024) Full Text: DOI EuDML OpenURL
Pathak, H. K.; Khan, M. S. Compatible mappings of type (B) and common fixed point theorems in Saks spaces. (English) Zbl 0949.54058 Czech. Math. J. 49, No. 1, 175-185 (1999). MSC: 54H25 PDF BibTeX XML Cite \textit{H. K. Pathak} and \textit{M. S. Khan}, Czech. Math. J. 49, No. 1, 175--185 (1999; Zbl 0949.54058) Full Text: DOI EuDML OpenURL
Pathak, H. K.; Khan, M. S. Compatible mappings of type (B) and common fixed point theorems of Greguš type. (English) Zbl 0848.54030 Czech. Math. J. 45, No. 4, 685-698 (1995). Reviewer: S.Sessa (Napoli) MSC: 54H25 47H10 PDF BibTeX XML Cite \textit{H. K. Pathak} and \textit{M. S. Khan}, Czech. Math. J. 45, No. 4, 685--698 (1995; Zbl 0848.54030) Full Text: EuDML OpenURL
Ćirić, Ljubomir B. On some discontinuous fixed point mappings in convex metric spaces. (English) Zbl 0814.47065 Czech. Math. J. 43, No. 2, 319-326 (1993). Reviewer: P.Zabreiko (Minsk) MSC: 47H10 PDF BibTeX XML Cite \textit{L. B. Ćirić}, Czech. Math. J. 43, No. 2, 319--326 (1993; Zbl 0814.47065) Full Text: EuDML OpenURL
Liu, Lishan Common fixed point theorems for (sub) compatible and set-valued generalized nonexpansive mappings in complete convex metric spaces. (English) Zbl 0777.54019 Appl. Math. Mech., Engl. Ed. 14, No. 7, 685-692 (1993). Reviewer: S.Sessa (Napoli) MSC: 54H25 47H10 54C60 54E50 PDF BibTeX XML Cite \textit{L. Liu}, Appl. Math. Mech., Engl. Ed. 14, No. 7, 685--692 (1993; Zbl 0777.54019) Full Text: DOI OpenURL