%0 Journal Article %A S. I. Kadchenko %A S. N. Kakushkin %T Meanings of the First Eigenfunctions of Perturbed Discrete Operator with Simple Spectrum Finding %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie %D 2012 %P 25-32 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURU_2012_11_a2/ %G ru %F VYURU_2012_11_a2