@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}, zbl = {0505.68033}, mrnumber = {707634}, language = {fr}, url = {http://www.numdam.org/item/ITA_1982__16_4_317_0/} }