%0 Journal Article %A M. P. Eremchuk %A A. L. Ushakov %T Method of iterative extensions for analysis of a screened harmonic systems %J Journal of computational and engineering mathematics %D 2023 %P 3-16 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCEM_2023_10_3_a0/ %G en %F JCEM_2023_10_3_a0