%0 Journal Article %A S. A. Voitsekhovskii %A V. L. Makarov %T On estimating the rate of convergence of difference schemes in eigenvalue problems for convex domains %J Doklady Akademii Nauk %D 1980 %P 1035-1038 %V 254 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_5_a1/ %G ru %F DAN_1980_254_5_a1