TY - JOUR AU - Bóna, Miklós TI - The absence of a pattern and the occurrences of another JO - Discrete mathematics & theoretical computer science PY - 2010 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.496/ DO - 10.46298/dmtcs.496 LA - en ID - DMTCS_2010_12_2_a4 ER -