JUNG'S THEOREM (IN PLANE) GENERALIZED IN SPACE BY SMARANDACHE
Let's have n points in the space such that the maximum distance
between any two of them is d. Then: there exists a sphere of radius
which contains in interior or on surface all these points.
 Smarandache, F., "A Generalization in Space of Jumg's Theorem",
Gazeta Matematica, Bucharest, Nr. 9-10-11-12, 1992, p. 352.
 Smarandache, F., Collected Papers, Vol. I, Tempus Publ. Hse.,
article: "A Generalization in Space of Jung's Theorem", pp. 223-224.