D. Shmoys and L. Hall, "Approximation schemes for constrained scheduling problems," 30th Annual Symposium on Foundations of Computer Science(FOCS), Research Triangle Park, NC, USA, 1989, pp. 134-139.
doi:10.1109/SFCS.1989.63468
keywords:{precedence-constrained scheduling problems; minimisation; single machine problem; constrained scheduling problems; polynomial approximation; maximum completion time; two-machine flow shop; release dates; maximum lateness; parallel-machine problem; outline},
url:doi.ieeecomputersociety.org/10.1109/SFCS.1989.63468