@article{CTGDC_1996__37_2_123_0,
     author = {Chen, Xiandong},
     title = {Stable closed frame homomorphisms},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {123--144},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {37},
     number = {2},
     year = {1996},
     mrnumber = {1394506},
     zbl = {0858.54012},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1996__37_2_123_0/}
}