Geodesic
Singular filtering of matrix and grid operators. Error estimates
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 34 (1994) no. 4, pp. 636-639 
S. A. Shishkin. Singular filtering of matrix and grid operators. Error estimates. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 34 (1994) no. 4, pp. 636-639. http://geodesic.mathdoc.fr/item/ZVMMF_1994_34_4_a17/
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     title = {Singular filtering of matrix and grid operators. {Error} estimates},
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     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1994_34_4_a17/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

[1] Shishkin S. A., “O rasshirenii vozmozhnostei protsedur obrascheniya matrits”, Zh. vychisl. matem. i matem. fiz., 31:4 (1991), 492–504 | MR

[2] Shishkin S. A., “Ob odnom algoritme obrascheniya neosobennykh matrits s garantirovannoi tochnostyu”, Zh. vychisl. matem. i matem. fiz., 31:6 (1991), 783–789 | MR