BILLINGTON P, MCCLAIN J O, THOMAS L J. Mathematical programming approaches to capacity-constrained MRP systems: review, formulation and problem reduction [J]. Management Science, 1983, 29(10): 1126-1141.
[2]
BITRAN G R, HAAS E A, HAX A C. Hierarchical production planning: a single-stage system [J]. Operations Research, 1981, 29(4): 717-743.