TY - JOUR AU - Paulo Ribenboim TI - Fermat's equation for matrices or quaternions over $q$-adic fields JO - Acta Arithmetica PY - 2004 SP - 241 EP - 250 VL - 113 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa113-3-2/ DO - 10.4064/aa113-3-2 LA - en ID - 10_4064_aa113_3_2 ER -