@article{CTGDC_1994__35_2_165_0,
     author = {Alderton, I. W. and Schwartz, F. and Weck-Schwarz, S.},
     title = {On the construction of the extensional topological hull},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {165--174},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {35},
     number = {2},
     year = {1994},
     mrnumber = {1280988},
     zbl = {0861.54008},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1994__35_2_165_0/}
}