Renewal Decisions when Category Life Distributions are of Phase-Type. - David Assaf (Math. Oper. Res., 1982)

Multivariate Phase-Type Distributions. - David Assaf; Naftali A. Langberg; Thomas H. Savits; Moshe Shaked (Oper. Res., 1984)

Optimal Design of Systems Subject to Two Types of Error. - David Assaf; Yosi Ben-Dov; Abba M. Krieger (Oper. Res., 1986)

A Diffusion Model for Optimal Portfolio Selection in the Presence of Brokerage Fees. - Michael Taksar; Michael J. Klass; David Assaf (Math. Oper. Res., 1988)

Optimal Spares Provisioning When Component Price Is Changing. - David Assaf; J. George Shanthikumar (Oper. Res., 1990)

Reneging from Processor Sharing Systems and Random Queues. - David Assaf; Moshe Haviv (Math. Oper. Res., 1990)