@article{M2AN_2010__44_3_509_0,
     author = {Kunisch, Karl and Volkwein, Stefan},
     title = {Optimal snapshot location for computing {POD} basis functions},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {509--529},
     publisher = {EDP-Sciences},
     volume = {44},
     number = {3},
     year = {2010},
     doi = {10.1051/m2an/2010011},
     mrnumber = {2666653},
     zbl = {1193.65113},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/m2an/2010011/}
}