TY - JOUR AU - Bartels, Sören TI - Fast and accurate finite element approximation of wave maps into spheres JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2015 SP - 551 EP - 558 VL - 49 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2014044/ DO - 10.1051/m2an/2014044 LA - en ID - M2AN_2015__49_2_551_0 ER -