The varieties of semilattice-ordered semigroups satisfying $$x^3\approx x$$ x 3 ≈ x and $$xy\approx yx$$ x y ≈ y x
Crossref DOI link: https://doi.org/10.1007/s10998-016-0116-5
Published Online: 2016-03-08
Published Print: 2016-06
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Ren, Miaomiao
Zhao, Xianzhong
Text and Data Mining valid from 2016-03-08