TY - JOUR AU - Matjaž Omladič AU - Heydar Radjavi TI - Reducibility of semigroups and nilpotent commutators with idempotents of rank two JO - Ars Mathematica Contemporanea PY - 2010 SP - 99 EP - 108 VL - 3 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.146.279/ DO - 10.26493/1855-3974.146.279 LA - en ID - 10_26493_1855_3974_146_279 ER -