E167  Solutio problematis difficillimi a Fermatio propositi
(On the solution of a most difficult problem proposed by Fermat)
Summary:
Euler looks at the problem of finding "a rational right triangle whose perpendicular area less the area of that triangle produces a square number."
According
to the records, it was presented to the St. Petersburg Academy on September 2, 1748.
Publication:

Originally published in Novi Commentarii academiae scientiarum Petropolitanae 2, 1751, pp. 4967

Opera Omnia: Series 1, Volume 2, pp. 223  240
 Reprinted in Commentat. arithm. 1, 1849, pp. 6272 [E167b]
 A handwritten French translation of this treatise can be found in the library of the observatory in
Uccle, near Brussels.
Documents Available:
 Original publication: E167
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