%0 Journal Article %A V. V. Koretskii %A D. A. Lyubimov %T A modified method of approximate factorization when calculating three-dimensional potential flows in channels %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1990 %P 1553-1570 %V 30 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_10_a9/ %G ru %F ZVMMF_1990_30_10_a9