@article{DMTCS_2003_special_247_a2,
     author = {Lafaye de Micheaux, N. and L\'opez, G. and Vitiello, P. and Beauvois, J. L.},
     title = {Formalizing the transformations of a cognitive universe},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings vol. AB, Discrete Models for Complex Systems (DMCS'03)},
     year = {2003},
     doi = {10.46298/dmtcs.2303},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.2303/}
}