Number:
7771
Author:
Issue:
ET Vol 37, Jul 1884
Tags:
Non-Conic Curves & Locus/Envelopes
Solved by:
B.H. Rau, MQ Vol 42
Solved by:
N. Sarkar, MQ Vol 42
Solved by:
W.J.C. Sharp, ET Vol 37, Nov 84