@article{DIA_1991__26__R1_0,
     author = {Mathieu, Monique},
     title = {Extensions de th\'eories de {Lawvere.} {Th\`ese} de doctorat de math\'ematiques},
     journal = {Diagrammes},
     pages = {i-iii,1-90},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {26},
     year = {1991},
     mrnumber = {1141258},
     zbl = {0744.18004},
     language = {fr},
     url = {http://www.numdam.org/item/DIA_1991__26__R1_0/}
}