TY - JOUR AU - Ignat, Radu TI - Singularities of divergence-free vector fields with values into $S^1$ or $S^2$: Applications to micromagnetics JO - Confluentes Mathematici PY - 2012 VL - 4 IS - 3 PB - World Scientific Publishing Co Pte Ltd UR - http://archive.numdam.org/articles/10.1142/S1793744212300012/ DO - 10.1142/S1793744212300012 LA - en ID - CML_2012__4_3_A1_0 ER -