@article{MSH_1974__48__21_0,
     author = {Eytan, M.},
     title = {Tableaux de {Smullyan,} ensembles de {Hintikka} et tout \c{c}a : un point de vue alg\'ebrique},
     journal = {Math\'ematiques et sciences humaines},
     pages = {21--27},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {48},
     year = {1974},
     mrnumber = {371616},
     zbl = {0318.02010},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1974__48__21_0/}
}