@article{ETNA_2017__46__a3,
     author = {August, Moritz and Ba\~nuls, Mari Carmen and Huckle, Thomas},
     title = {On the approximation of functionals of very large {Hermitian} matrices represented as matrix product operators},
     journal = {Electronic transactions on numerical analysis},
     pages = {215--232},
     publisher = {mathdoc},
     volume = {46},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2017__46__a3/}
}