Poincaré, Jules Henri. | §5'4+-\94 \2, No. 14 in **E.5127.51.2 Sur la nature du raisonnement mathématique. — [Paris? 1894.] 371-384 pp. 8°.
[This work is kept on the Special Libraries Floor.]
 
Ans ey Nov. 13, 1900
*D7250 — Reasoning, Mathematical.