@misc{MSH_1989__107__75_0, title = {Erratum}, journal = {Math\'ematiques informatique et sciences humaines}, pages = {75--75}, publisher = {Ecole des hautes-\'etudes en sciences sociales}, volume = {107}, year = {1989}, language = {fr}, url = {http://www.numdam.org/item/MSH_1989__107__75_0/} }