On the shortest line joining two points on a surface
This article arose out of a homework assignment that Euler did for Johann Bernoulli. Bernoulli asked Euler to find the shortest line between two points on a surface. This work provided some of the first analytical foundations for the calculus of variations.
Original Source Citation
Commentarii academiae scientiarum Petropolitanae, Volume 3, pp. 110-124.
Opera Omnia Citation
Series 1, Volume 25, pp.1-12.