%0 Journal Article %A A. L. Ushakov %A E. A. Meltsaykin %T Analysis of biharmonic and harmonic models by the methods of iterative extensions %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie %D 2022 %P 51-66 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURU_2022_15_3_a3/ %G en %F VYURU_2022_15_3_a3