TY - JOUR AU - Weller, Stephan AU - Basting, Steffen TI - Efficient preconditioning of variational time discretization methods for parabolic Partial Differential Equations JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2015 SP - 331 EP - 347 VL - 49 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2014036/ DO - 10.1051/m2an/2014036 LA - en ID - M2AN_2015__49_2_331_0 ER -