@article{CTGDC_1991__32_2_99_0,
     author = {Jibladze, M. and Johnstone, P. T.},
     title = {The frame of fibrewise closed nuclei},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {99--112},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {32},
     number = {2},
     year = {1991},
     mrnumber = {1142684},
     zbl = {0762.06005},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1991__32_2_99_0/}
}