Number:
17155
Author:
Issue:
ET Vol 64, Sep 1911
Tags:
3-Dimensional Geometry / Surfaces / Tetrahedra / Spheres
Solved by:
C.W. Adams, MQ Vol 96
Solved by:
W.J. Ashdown, MQ Vol 96
Solved by:
W.H. Blythe, MQ Vol 96
Solved by:
T. Worrall, MQ Vol 96