Interpolation of the Renewal Function. - Sylvain Ehrenfeld (Oper. Res., 1966)

Sequential Stopping Rules for Fixed-Sample Acceptance Tests. - R. C. Chang; Sylvain Ehrenfeld (Oper. Res., 1974)

On a sequential Markovian decision procedure with incomplete information. - Sylvain Ehrenfeld (Comput. Oper. Res., 1976)