Almeida J. The mathematician Hugo Ribeiro. Portugal. Math.. 1995;52:1-14.Edit

Almeida J, Costa JC, Zeitoun M. McCammond's normal forms for free aperiodic semigroups revisited. LMS J. Comput. Math.. 2015;18:130-147.Edit

Almeida J. On the membership problem for pseudovarieties of commutative semigroups. Semigroup Forum. 1991;42:47-51.Edit

Almeida J. Minimal nonpermutative pseudovarieties of semigroups. I, II. Pacific J. Math.. 1986;121:257-270, 271-279.Edit

Almeida J. Minimal nonpermutative pseudovarieties of semigroups. III. Algebra Universalis. 1985;21:256-279.Edit

Almeida J, Higgins PM. Monoids respecting $n$-chains of intervals. J. Algebra. 1997;187:183-202.Edit

Almeida J, Steinberg B. Matrix mortality and the Černý-Pin conjecture. In: Developments in language theory. Vol 5583. Springer, Berlin; 2009. 6. p. 67-80p. (Lecture Notes in Comput. Sci.; vol 5583).Edit

[2009-13] Almeida J, Steinberg B. Matrix Mortality and the Cerny-Pin Conjecture .Edit

[2012-3] Almeida J, Costa JC, Zeitoun M. McCammond's normal forms for free aperiodic semigroups revisited .Edit

[2005-26] Almeida J, Margolis SW, Steinberg B, Volkov M. Modular and threshold subword counting and matrix representations of finite monoids .Edit