@article{10_26493_1855_3974_146_279, author = {Matja\v{z} Omladi\v{c} and Heydar Radjavi}, title = { {Reducibility} of semigroups and nilpotent commutators with idempotents of rank two }, journal = {Ars Mathematica Contemporanea}, pages = {99--108}, publisher = {mathdoc}, volume = {3}, number = {1}, year = {2010}, doi = {10.26493/1855-3974.146.279}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.146.279/} }