@article{TAC_2003_11_a12,
     author = {Jean B\'enabou and Thomas Streicher},
     title = {Partial {Toposes}},
     journal = {Theory and applications of categories},
     pages = {309--320},
     year = {2003},
     volume = {11},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2003_11_a12/}
}