@article{M2AN_2013__47_2_449_0,
     author = {Sachs, Ekkehard W. and Schu, Matthias},
     title = {\protect\emph{A priori }error estimates for reduced order models in finance},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {449--469},
     publisher = {EDP-Sciences},
     volume = {47},
     number = {2},
     year = {2013},
     doi = {10.1051/m2an/2012039},
     zbl = {1268.91182},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2012039/}
}