Number:
6391
Author:
Issue:
ET Vol 33, Jul 1880
Tags:
3-Dimensional Geometry / Surfaces / Tetrahedra / Spheres
Solved by:
R.W. Genesee, MQ Vol 34
Solved by:
G.M. Minchin, MQ Vol 34
Solved by:
W.J.C. Sharp, MQ Vol 49