@article{RO_1979__13_2_205_0,
     author = {Kaio, Naoto and Osaki, Shunji},
     title = {Optimum age replacement policy with two failure modes},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {205--208},
     publisher = {EDP-Sciences},
     volume = {13},
     number = {2},
     year = {1979},
     mrnumber = {535208},
     zbl = {0397.90042},
     language = {en},
     url = {http://www.numdam.org/item/RO_1979__13_2_205_0/}
}