@article{RO_1980__14_3_249_0,
     author = {Nakagawa, T.},
     title = {A summary of imperfect preventive maintenance policies with minimal repair},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {249--255},
     publisher = {EDP-Sciences},
     volume = {14},
     number = {3},
     year = {1980},
     mrnumber = {589704},
     zbl = {0442.90034},
     language = {en},
     url = {http://www.numdam.org/item/RO_1980__14_3_249_0/}
}