@article{ITA_2000__34_5_373_0,
     author = {Justin, Jacques},
     title = {On a paper by {Castelli,} {Mignosi,} {Restivo}},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {373--377},
     publisher = {EDP-Sciences},
     volume = {34},
     number = {5},
     year = {2000},
     mrnumber = {1829233},
     zbl = {0987.68056},
     language = {en},
     url = {http://archive.numdam.org/item/ITA_2000__34_5_373_0/}
}