ex4_1_8.gms:

References:

• Floudas, C A, Pardalos, P M, Adjiman, C S, Esposito, W R, Gumus, Z H, Harding, S T, Klepeis, J L, Meyer, C A, and Schweiger, C A, Handbook of Test Problems in Local and Global Optimization. Kluwer Academic Publishers, 1999.
• Soland, R M, An Algorithm for Separable Nonconvex Programming Problems ii : Nonconvex Constraints. Mgnt. Sci. 17 (1971), 759.
• Original source: Global Model of Chapter 4 ex4.1.8.gms from Floudas e.a. Test Problems

Point: p1 
Best known point: p1 with value -16.7389