- Ramsey, F P, A Mathematical Theory of Saving. Economics Journal (1928).
- Murtagh, B A, and Saunders, M A, A Projected Lagrangian Algorithm and its Implementation for Sparse Nonlinear Constraints. Mathematical Programming Study 16 (1982), 84-117.
- Original source: GAMS Model of ramsey.gms from GAMS Model Library
Best known point: p1 with value -1.4931