TY - JOUR AU - Miguel A. Méndez AU - Rafael Sánchez Lamoneda TI - Monops, monoids and operads: the combinatorics of Sheffer polynomials JO - The electronic journal of combinatorics PY - 2018 VL - 25 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.37236/7686/ DO - 10.37236/7686 ID - 10_37236_7686 ER -