@article{M2AN_2015__49_2_331_0,
     author = {Weller, Stephan and Basting, Steffen},
     title = {Efficient preconditioning of variational time discretization methods for parabolic {Partial} {Differential} {Equations}},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {331--347},
     publisher = {EDP-Sciences},
     volume = {49},
     number = {2},
     year = {2015},
     doi = {10.1051/m2an/2014036},
     zbl = {1315.65031},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2014036/}
}