@article{ZVMMF_1993_33_6_a0, author = {I. A. Blatov}, title = {Incomplete factorization methods for systems with sparse matrices}, journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki}, pages = {819--836}, year = {1993}, volume = {33}, number = {6}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZVMMF_1993_33_6_a0/} }