1. On cone functions;Eisenberg,1963
2. Generalized lagrange multiplier method for solving problems of optimum allocation of resources;Everett;J. Operations Res. Soc. Amer.,1963
3. Lagrange multipliers and nonlinear programming;Falk;J. Math. Anal. Appl.,1967
4. Systems of inequalities involving convex functions;Fan,1957
5. A geometric duality theorem with economic applications;Gale;Rev. Econ. Stud.,1967