TY - JOUR AU - Suhyoung Choi AU - Hyunkoo Lee TI - Geometric structures on manifolds and holonomy-invariant metrics. JO - Forum mathematicum PY - 1997 SP - 247 EP - 256 VL - 9 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FORUM_1997__9_2_141801/ ID - FORUM_1997__9_2_141801 ER -