TY - JOUR AU - Finogenova, Olga TI - Characterizing Non-Matrix Properties of Varieties of Algebras in the Language of Forbidden Objects JO - Serdica Mathematical Journal PY - 2012 SP - 473 EP - 496 VL - 38 IS - 1-3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2012_38_1-3_a21/ LA - en ID - SMJ2_2012_38_1-3_a21 ER -