Vasantha Kandasamy, W. B. On plane sphere intersecting problem. (English) Zbl 0940.51500 Ultra Sci. Phys. Sci. 10, No. 1, 137-138 (1998). MSC: 51M04 Elementary problems in Euclidean geometries PDFBibTeX XMLCite \textit{W. B. Vasantha Kandasamy}, Ultra Sci. Phys. Sci. 10, No. 1, 137--138 (1998; Zbl 0940.51500)