Number:
2575
Author:
Issue:
ET Vol 20, Feb 1868
Tags:
3-Dimensional Geometry / Surfaces / Tetrahedra / Spheres
Solved by:
T., ET Vol 20, Mar 68
Solved by:
P.G. Tait, MQ Vol 9
Solved by:
J. Wolstenholme, MQ Vol 9