@article{CTGDC_1977__18_2_105_0,
     author = {Reyes, Gonzalo E.},
     title = {Sheaves and concepts : a model-theoretic interpretation of {Grothendieck} topoi},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {105--137},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {18},
     number = {2},
     year = {1977},
     mrnumber = {485337},
     zbl = {0396.18002},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1977__18_2_105_0/}
}