@article{BMMS_2014_37_1_a8,
     author = {M. Ahsanullah and Abdulhamid A. Alzaid and B. M. Golam Kibria},
     title = {On the {Residual} {Life} of the $\textit{k}$ out of $\textit{n}$ {System}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2014},
     volume = {37},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2014_37_1_a8/}
}