@article{10_4153_CMB_1984_068_4,
     author = {Baker, Andrew},
     title = {A {Decomposition} {Theorem} for {Certain} {Bipolynomial} {Hopf} {Algebras}},
     journal = {Canadian mathematical bulletin},
     pages = {444--447},
     year = {1984},
     volume = {27},
     number = {4},
     doi = {10.4153/CMB-1984-068-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-068-4/}
}