@article{CTGDC_2011__52_4_242_0,
     author = {Dubuc, Edwardo J. and Yuhjtman, Sergio},
     title = {A construction of 2-cofiltered bilimits of topoi},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     eid = {1},
     pages = {242--252},
     publisher = {Andr\'ee CHARLES EHRESMANN},
     volume = {52},
     number = {4},
     year = {2011},
     mrnumber = {2895952},
     zbl = {1266.18005},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_2011__52_4_242_0/}
}