TY - JOUR AU - Hartfiel, D. J. AU - Maxson, C. J. TI - Constructing the maximal monoids in the semigroups $\mathcal {N}_n, \mathcal {S}_n$, and $\Omega _n$ JO - Compositio Mathematica PY - 1976 SP - 41 EP - 52 VL - 32 IS - 1 PB - Noordhoff International Publishing UR - http://www.numdam.org/item/CM_1976__32_1_41_0/ LA - en ID - CM_1976__32_1_41_0 ER -