Bergeron N, Hohlweg C, Rosas M, Zabrocki M. Grothendieck Bialgebras, Partition Lattices, and Symmetric Functions in Noncommutative Variables. Electron. J. Combin. [Internet]. 2006Aug.25 [cited 2026Apr.4];13(1):R75. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v13i1r75