D. Bertsimas, D. Gamarnik, J. Tsitsiklis.
Includes bibliographical references (p. 35-36).
Supported by a Presidential Young Investigator Award. DDM-9158118 Supported by matching funds from Draper Laboratory. Supported by the ARO. DAAL-03-92-G-0115 Supported by the NSF. DDM-9158118