TY  - JOUR
AU  - Schmitt, William R.
TI  - Hopf Algebras of Combinatorial Structures
JO  - Canadian journal of mathematics
PY  - 1993
SP  - 412
EP  - 428
VL  - 45
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-021-5/
DO  - 10.4153/CJM-1993-021-5
ID  - 10_4153_CJM_1993_021_5
ER  -