TY - JOUR TI - Corrigendum to "Union problems for IQ sets" T3 - Acta scientiarum mathematicarum AU - Graham Colin C. PY - 2010 LA - English SN - 0001-6969 UR - http://acta.bibl.u-szeged.hu/16361/1/math_076_numb_003_004_487-488.pdf ER -