TY - JOUR AU - Horváth, Eszter TI - The Słupecki criterion by duality JO - Discussiones Mathematicae. General Algebra and Applications PY - 2001 SP - 5 EP - 11 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMGAA_2001_21_1_a0/ LA - en ID - DMGAA_2001_21_1_a0 ER -