@article{MSH_1987__97__19_0,
     author = {Guitart, R.},
     title = {Introduction \`a l'analyse alg\'ebrique. {II.} {Alg\`ebres} figuratives et esquisses},
     journal = {Math\'ematiques et sciences humaines},
     pages = {19--45},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {97},
     year = {1987},
     mrnumber = {890685},
     zbl = {0649.18005},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1987__97__19_0/}
}