References
- Held , D.M. and Karf , R. 1982 . A Dynamic Programming Approach to Sequencing Problems . SIAM Journal on Applied Mathematics , 10 : 196 – 210 .
- Lawler , E.L. and Moore , J.M. 1969 . A Functional Equation and Application to Resource Allocation and Sequencing Problems . Management Science , 16 : 77 – 84 .