1. Towards a theory of local and global in computation;Abelson;J. Theoret. Comput. Sci.,1978
2. Reduction of constrained maxima to saddle-point problems;Arrow,1956
3. Studies in Linear and Non-linear Programming;Arrow,1958
4. Applications of relaxation labeling. 2. Spring-loaded template matching;Davis,1976
5. Integer Programming;Garfinkel,1972