@article{CTGDC_1966__8__A2_0,
     author = {Chang, Su-Cheng},
     title = {Successive homology operations and their applications},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     note = {talk:2},
     pages = {1--5},
     publisher = {CNRS},
     volume = {8},
     year = {1966},
     mrnumber = {205249},
     zbl = {0199.57802},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1966__8__A2_0/}
}