Gupta, M. K.; Goel, Satya \(I\)-open sets and \(I\)-continuous mappings in bitopological spaces. (English) Zbl 1204.54017 J. Math. Anal. Approx. Theory 1, No. 2, 189-200 (2006). MSC: 54E55 Bitopologies 54C08 Weak and generalized continuity PDFBibTeX XMLCite \textit{M. K. Gupta} and \textit{S. Goel}, J. Math. Anal. Approx. Theory 1, No. 2, 189--200 (2006; Zbl 1204.54017)