TY - JOUR AU - Zhi-Wei Sun TI - On sums of binomial coefficients modulo $p^2$ JO - Colloquium Mathematicum PY - 2012 SP - 39 EP - 54 VL - 127 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm127-1-3/ DO - 10.4064/cm127-1-3 LA - fr ID - 10_4064_cm127_1_3 ER -