1. Generalization of the Wolfe reduced***° gradient method to the case of nonlinear constraints;Abadie,1969
2. Engineering Optimization, Mathematical Programming Study ***II;Avriel,1979
3. A derivation of conjugate gradients;Beale,1972
4. An optimization approach in multiple target problems using inequality constraints: The case against weighted criterion functions;B***eck;Annals Econ. Sco. M***eas.,1977