TY - JOUR AU - Berger, Ruth I. TI - The Kernel of and the 4-Rank of K2(O) JO - Canadian mathematical bulletin PY - 1992 SP - 295 EP - 302 VL - 35 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-041-4/ DO - 10.4153/CMB-1992-041-4 ID - 10_4153_CMB_1992_041_4 ER -