@article{ZVMMF_1997_37_3_a0,
     author = {I. A. Blatov},
     title = {Bounds for elements of $LU$ factorizations of sparse matrices and their application to incomplete factorization methods},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {259--276},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1997_37_3_a0/}
}