TY - JOUR AU - Deng, Guixin AU - Yuan, Pingzhi TI - Isomorphic digraphs from powers modulo $p$ JO - Czechoslovak Mathematical Journal PY - 2011 SP - 771 EP - 779 VL - 61 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10587-011-0025-y/ DO - 10.1007/s10587-011-0025-y LA - en ID - 10_1007_s10587_011_0025_y ER -