@article{CTGDC_1981__22_2_123_0, author = {Van Osdol, Donovan H.}, title = {A {Borel} topos}, journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle}, pages = {123--128}, publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS}, volume = {22}, number = {2}, year = {1981}, mrnumber = {649792}, zbl = {0465.18001}, language = {en}, url = {http://www.numdam.org/item/CTGDC_1981__22_2_123_0/} }