@inProceedings{Esmaeili2007,
author = "M. Esmaeili
 and P. Zeephongsekul
 and Mir-Bahador Aryanezhad",
title = "Joint pricing and lot sizing models with discount: A geometric programming approach",
series = "ANZIAM J.",
volume = "49",
pages = "C139--C154",
year = 2007,
booktitle = "Proceedings of the 8th Biennial Engineering Mathematics and Applications Conference, EMAC-2007",
editor = "Geoffry N. Mercer  and A. J. Roberts",
month = oct,
note = "\url {http://anziamj.austms.org.au/ojs/index.php/ANZIAMJ/article/view/323} [October 28, 2007]",
keywords = "joint pricing and lot sizing; quantity discounting; geometric programming problem",
subjclass = "",
}