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Number:
1690
Author:
W.A. Whitworth
Issue:
ET Vol 18, Apr 1865
Tags:
Conics (general)
Solved by:
A. Cayley, MQ Vol 3
Solved by:
T.A. Hirst, MQ Vol 3
Solved by:
F.D. Thomson, MQ Vol 3
Solved by:
W.A. Whitworth, MQ Vol 3