Number:
13968
Author:
Issue:
ET Vol 51, Sep 1898
Tags:
Conics (general)
Solved by:
U.C. Ghosh, MQ Vol 70
Solved by:
T. Mitcheson, MQ Vol 70
Solved by:
G.W. Preston, MQ Vol 70
Solved by:
W.C. Stanham, MQ Vol 70