@article{PSMIR_1999-2000___3_A5_0,
     author = {Sensevy, G\'erard},
     title = {Un essai de mod\'elisation de l'action du professeur {Le} cas de la course \`a 20},
     journal = {Publications de l'Institut de recherche math\'ematiques de Rennes},
     note = {talk:5},
     pages = {1--2},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {3},
     year = {1999-2000},
     language = {fr},
     url = {http://archive.numdam.org/item/PSMIR_1999-2000___3_A5_0/}
}