Growth and existence of identities in a Class of Finitely Presented Inverse Semigroups with Zero. - Lev M. Shneerson; David Easdown (Int. J. Algebra Comput., 1996)

A Presentation of the Dual Symmetric Inverse Monoid. - David Easdown; James East; Desmond G. Fitzgerald (Int. J. Algebra Comput., 2008)

Periodic Elements of the Free Idempotent Generated Semigroup on a Biordered Set. - David Easdown; Mark V. Sapir; Mikhail V. Volkov 001 (Int. J. Algebra Comput., 2010)

Growth of Finitely Presented Rees Quotients of Free Inverse Semigroups. - Lev M. Shneerson; David Easdown (Int. J. Algebra Comput., 2011)

Growth of Rees Quotients of Free inverse Semigroups Defined by Small numbers of Relators. - David Easdown; Lev M. Shneerson (Int. J. Algebra Comput., 2013)