On the optimal allocation of two active redundancies in a two-component series system.

José E. Valdés Rómulo I. Zequeira On the optimal allocation of two active redundancies in a two-component series system. 49-52 2006 34 Oper. Res. Lett. 1 http://dx.doi.org/10.1016/j.orl.2004.12.004 db/journals/orl/orl34.html#ValdesZ06