@article{ETNA_2000__10__a6,
     author = {Brandt, Achi},
     title = {General highly accurate algebraic coarsening},
     journal = {Electronic transactions on numerical analysis},
     pages = {1--20},
     publisher = {mathdoc},
     volume = {10},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2000__10__a6/}
}