Sircar, R.; Roy, Supriyo Application of optimal control to production inventory management model. (English) Zbl 1041.90511 Ranchi Univ. Math. J. 31(2000), 1-18 (2001). MSC: 90B30 49N90 PDFBibTeX XMLCite \textit{R. Sircar} and \textit{S. Roy}, Ranchi Univ. Math. J. 31, 1--18 (2000; Zbl 1041.90511)
Das, Tarapada; Sircar, R. Free flexural vibration of circular plates on nonlinear elastic foundation at large amplitude. (English) Zbl 0579.73057 Ranchi Univ. Math. J. 15, 105-110 (1985). MSC: 74H45 PDFBibTeX XMLCite \textit{T. Das} and \textit{R. Sircar}, Ranchi Univ. Math. J. 15, 105--110 (1985; Zbl 0579.73057)