@INPROCEEDINGS{Absi2005a,
author = {N. Absi and S. Kedad-Sidhoum},
title = {Capacitated lot-sizing problem with setup times, stock and demand
shortages},
booktitle = {The Fifth ALIO/EURO conference on combinatorial optimization},
year = {2005},
pages = {15},
month = {F\'evrier}
}