@article{MSH_1991__116__63_0,
     author = {Lewandowska, Maria},
     title = {Remarks on the definitions of main concepts of logic of action},
     journal = {Math\'ematiques informatique et sciences humaines},
     pages = {63--68},
     publisher = {Ecole des hautes-\'etudes en sciences sociales},
     volume = {116},
     year = {1991},
     mrnumber = {1167764},
     zbl = {0794.03040},
     language = {en},
     url = {http://www.numdam.org/item/MSH_1991__116__63_0/}
}