Number:
14312
Author:
Issue:
ET Vol 52, Sep 1899
Tags:
Conic Sections (parabolas, ellipses, hyperbolas)
Solved by:
J. Cullen, MQ Vol 74
Solved by:
H.W. Curjel, MQ Vol 74
Solved by:
A.F. van der Heyden, MQ Vol 74