@article{AFST_2013_6_22_5_969_0,
     author = {Jean-Pierre Marquis},
     title = {Mathematical {Models} of {Abstract} {Systems:} {Knowing} abstract geometric forms},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {969--1016},
     publisher = {Universit\'e Paul Sabatier, Institut de Math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 22},
     number = {5},
     year = {2013},
     doi = {10.5802/afst.1393},
     mrnumber = {3154584},
     zbl = {1286.00041},
     language = {en},
     url = {https://afst.centre-mersenne.org/articles/10.5802/afst.1393/}
}