@article{ASUO_2015_XXIII_3_a7,
     author = {Rafael Bru and Juana Cerdan and Jose Marin and Jose Mas and Miroslav Tuma},
     title = {Preconditioners based on the {ISM} factorization},
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     publisher = {mathdoc},
     volume = {XXIII},
     number = {3},
     year = {2015},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2015_XXIII_3_a7/}
}