@article{ITA_1997__31_6_539_0,
     author = {Nour, Karim},
     title = {Une r\'eponse n\'egative \`a la conjecture de {E.} {Tronci} pour les syst\`emes num\'eriques typ\'es},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {539--558},
     publisher = {EDP-Sciences},
     volume = {31},
     number = {6},
     year = {1997},
     mrnumber = {1607520},
     zbl = {0898.68010},
     language = {fr},
     url = {http://www.numdam.org/item/ITA_1997__31_6_539_0/}
}