@article{CTGDC_1966__8__A4_0,
     author = {Maltz, Robert},
     title = {The nullity spaces of the curvature operator},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     note = {talk:4},
     pages = {1--20},
     publisher = {CNRS},
     volume = {8},
     year = {1966},
     mrnumber = {210045},
     zbl = {0151.28601},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1966__8__A4_0/}
}