Govindarajulu, P. On \(f\)-best simultaneous approximation in locally convex spaces. (English) Zbl 0745.41018 J. Math. Phys. Sci. 22, No. 6, 789-796 (1988). MSC: 41A28 41A50 41A65 PDFBibTeX XMLCite \textit{P. Govindarajulu}, J. Math. Phys. Sci. 22, No. 6, 789--796 (1988; Zbl 0745.41018)
Govindarajulu, P. On upper semi-continuity of simultaneous operators. (English) Zbl 0588.41027 Indian J. Pure Appl. Math. 16, 153-156 (1985). Reviewer: R.Q.Jia MSC: 41A65 41A28 41A50 41A36 PDFBibTeX XMLCite \textit{P. Govindarajulu}, Indian J. Pure Appl. Math. 16, 153--156 (1985; Zbl 0588.41027)
Govindarajulu, P. On simultaneous approximation in locally convex spaces. (English) Zbl 0586.41021 Indian J. Pure Appl. Math. 16, 617-626 (1985). MSC: 41A65 41A28 41A50 PDFBibTeX XMLCite \textit{P. Govindarajulu}, Indian J. Pure Appl. Math. 16, 617--626 (1985; Zbl 0586.41021)
Govindarajulu, Paladugu On best simultaneous approximation. (English) Zbl 0581.41016 J. Math. Phys. Sci. 18, 345-351 (1984). MSC: 41A28 41A50 PDFBibTeX XMLCite \textit{P. Govindarajulu}, J. Math. Phys. Sci. 18, 345--351 (1984; Zbl 0581.41016)