Number:
7569
Author:
Issue:
ET Vol 37, Jan 1884
Tags:
3-Dimensional Geometry / Surfaces / Tetrahedra / Spheres
Solved by:
J.C. Malet, MQ Vol 41
Solved by:
A.M. Nash, MQ Vol 41
Solved by:
T. Woodcock, ET Vol 37, Mar 84