@article{SJVM_2003_6_3_a0,
     author = {Owe Axelsson and M. Larin},
     title = {An element-by-element version of variable-step multilevel preconditioning methods},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {209--226},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2003_6_3_a0/}
}