@article{ITA_1982__16_4_317_0,
     author = {Gabarro, J.},
     title = {Une application des notions de centre et index rationnel \`a certains langages alg\'ebriques},
     journal = {RAIRO. Informatique th\'eorique},
     pages = {317--330},
     publisher = {EDP-Sciences},
     volume = {16},
     number = {4},
     year = {1982},
     mrnumber = {707634},
     zbl = {0505.68033},
     language = {fr},
     url = {http://www.numdam.org/item/ITA_1982__16_4_317_0/}
}