@article{PSMIR_1989___S6_51_0,
     author = {Conne, Fran\c{c}ois and Guiet, Jeanne},
     title = {Situations \'evoqu\'ees, situations jou\'ees et structures math\'ematiques},
     journal = {Publications de l'Institut de recherche math\'ematiques de Rennes},
     pages = {51--57},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {S6},
     year = {1989},
     language = {fr},
     url = {http://www.numdam.org/item/PSMIR_1989___S6_51_0/}
}