@article{ITA_1988__22_3_271_0,
     author = {Bellia, M.},
     title = {Logic and functional programming by retractions},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {271--310},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {3},
     year = {1988},
     mrnumber = {963593},
     zbl = {0666.68011},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1988__22_3_271_0/}
}