%0 Journal Article %A P. Ph. Zhuk %A V. G. Prikazchikov %T An efficient estimate of the convergence of the implicit iterative method in eigenvalue problems %J Differencialʹnye uravneniâ %D 1982 %P 1197-1202 %V 18 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_7_a13/ %G ru %F DE_1982_18_7_a13