References
- Beightler , C. S. Johnson , D. B. , Wilde , D. J. , “ Super-position in Branching Allocation Problems ,” Journal of Mathematical Analysis and Applications , Volume 12 , No. 1 , 1965 .
- Nemhauser , G. L. , Dynamic Programming , John Wiley and Sons , New York , 1966 .
- Wilde , D. J. , and Beightler , C. S. , Foundations of Optimization , Prentice-Hall, Ino. , Englewood Cliffs , New Jersey , 1967 .