@article{10_4153_CMB_2007_052_4,
     author = {Hohlweg, Christophe},
     title = {Generalized {Descent} {Algebras}},
     journal = {Canadian mathematical bulletin},
     pages = {535--546},
     year = {2007},
     volume = {50},
     number = {4},
     doi = {10.4153/CMB-2007-052-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2007-052-4/}
}