Calculus of variations.
Euler, Leonhard. Institvtionvm calevli integralis vol. I-III. Petropoli. Acad. imp. scient. 1768-1770. 3 Ve
Pl. Sm. 4°. **E .5012.79 Same. Ed. altera. Petrop. 1792, 93. 3 ve Sme 4% **E 194.12
The copy on **E.194.12 has manuscript notes of Nathaniel Bowditch.