Number:
16508
Author:
Issue:
ET Vol 61, Sep 1908
Tags:
3-Dimensional Geometry / Surfaces / Tetrahedra / Spheres
Solved by:
J. Blaikie, MQ Vol 91
Solved by:
A.M. Nesbitt, MQ Vol 91
Solved by:
Phillip T. Stephenson, MQ Vol 91