@article{DE_2001_37_7_a3, author = {S. S. Belyavsky and S. G. Mulyarchick}, title = {Two-Level {Preconditioners} of {Grid} {Equations} in {Pseudo-Conjugate} {Direction} {Methods}}, journal = {Differencialʹnye uravneni\^a}, pages = {899--904}, publisher = {mathdoc}, volume = {37}, number = {7}, year = {2001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2001_37_7_a3/} }