@article{MSH_1989__107__5_0,
     author = {Barbut, Marc},
     title = {Avant propos},
     journal = {Math\'ematiques informatique et sciences humaines},
     pages = {5--6},
     year = {1989},
     publisher = {Ecole des hautes-\'etudes en sciences sociales},
     volume = {107},
     language = {fr},
     url = {https://www.numdam.org/item/MSH_1989__107__5_0/}
}