Construction of the differential equation Ay du2 + (B+Cu)du dy + (D+Eu+Fuu)ddy = 0, assuming the element du to be constant
According to Jacobi, a treatise with this title appears to have been read to the Berlin Academy on November 9, 1758. According to St. Petersburg Academy records, it was presented to that Academy on October 15, 1759.
Original Source Citation
Novi Commentarii academiae scientiarum Petropolitanae, Volume 8, pp. 150-156.
Opera Omnia Citation
Series 1, Volume 22, pp.395-402.