Number:
16413
Author:
Issue:
ET Vol 61, Apr 1908
Tags:
Conics (general)
Solved by:
R.F. Davis, MQ Vol 90
Solved by:
A.M. Nesbitt, MQ Vol 90
Solved by:
Henry Riddell, MQ Vol 90
Solved by:
S.T. Shovelton, MQ Vol 90