TY - JOUR AU - Atkins, Richard TI - An Inverse Problem in the Calculus of Variations and the Characteristic Curves of Connections on SO(3)-Bundles JO - Canadian mathematical bulletin PY - 1995 SP - 129 EP - 140 VL - 38 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-019-x/ DO - 10.4153/CMB-1995-019-x ID - 10_4153_CMB_1995_019_x ER -