Gupta, Animesh; Rai, Vandana Binary relation for tripled fixed point theorem in metric spaces. (English) Zbl 1488.54135 Bol. Soc. Parana. Mat. (3) 39, No. 2, 9-26 (2021). MSC: 54H25 15A24 54E40 PDF BibTeX XML Cite \textit{A. Gupta} and \textit{V. Rai}, Bol. Soc. Parana. Mat. (3) 39, No. 2, 9--26 (2021; Zbl 1488.54135) Full Text: Link OpenURL
Kumar, Alok; Vandana Approximation properties of modified Srivastava-Gupta operators based on certain parameter. (English) Zbl 1431.41010 Bol. Soc. Parana. Mat. (3) 38, No. 1, 41-53 (2020). MSC: 41A25 26A15 40A35 PDF BibTeX XML Cite \textit{A. Kumar} and \textit{Vandana}, Bol. Soc. Parana. Mat. (3) 38, No. 1, 41--53 (2020; Zbl 1431.41010) Full Text: Link OpenURL