TY - JOUR AU - Kevin Hutchinson AU - Dermot Ryan TI - Hilbert symbols as maps of functors JO - Acta Arithmetica PY - 2004 SP - 349 EP - 368 VL - 114 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa114-4-5/ DO - 10.4064/aa114-4-5 LA - en ID - 10_4064_aa114_4_5 ER -