@article{CTGDC_1989__30_4_295_0,
     author = {Cegarra, Antonio M. and Garzon, Antonio R.},
     title = {Non-abelian cohomology of associative algebras. {The} $9$-term exact sequence},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {295--338},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {30},
     number = {4},
     year = {1989},
     mrnumber = {1036345},
     zbl = {0717.16008},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1989__30_4_295_0/}
}