@ARTICLE\{IMM1995-03722, author = "V. V. Vidal", title = "Optimizing a model for multi-products batch sizes in-proces inventories and multi-work centers", year = "1995", keywords = "optimization, production, inventory, Lagrange multipliers", pages = "361-363", journal = "{IMA} journal of mathematics applied in Business and Industry", volume = "6", editor = "", number = "", publisher = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/3722-full.html" }