@article{RO_1998__32_4_389_0,
     author = {Nakamura, S. and Nakagawa, T. and Sandoh, H.},
     title = {Optimal number of spare cashboxes for unmanned bank {ATMs}},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {389--398},
     publisher = {EDP-Sciences},
     volume = {32},
     number = {4},
     year = {1998},
     mrnumber = {1659707},
     language = {en},
     url = {http://www.numdam.org/item/RO_1998__32_4_389_0/}
}