@article{ETNA_1997__6__a2,
     author = {Thole, C.-A. and Mayer, S. and Supalov, A.},
     title = {Fast solution of {MSC/NASTRAN} sparse matrix problems using a multilevel approach},
     journal = {Electronic transactions on numerical analysis},
     pages = {246--254},
     publisher = {mathdoc},
     volume = {6},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_1997__6__a2/}
}