%0 Journal Article %A A. L. Ushakov %T Updating iterative factorization for the numerical solution of two elliptic equations of the second order in rectangular area %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2013 %P 88-93 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2013_5_2_a11/ %G ru %F VYURM_2013_5_2_a11