@article{RO_1994__28_4_389_0,
     author = {Kawai, Hajime and Sandoh, Hiroaki},
     title = {An economical backup warning strategy for a hard disk},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {389--398},
     publisher = {EDP-Sciences},
     volume = {28},
     number = {4},
     year = {1994},
     mrnumber = {1304250},
     zbl = {0857.90078},
     language = {en},
     url = {http://archive.numdam.org/item/RO_1994__28_4_389_0/}
}