%0 Journal Article %A N. P. Matsuka %T Dispersion and Asymptotic Properties of Finite-Difference Approximations to Schr\"odinger Equations %J Differencialʹnye uravneniâ %D 2001 %P 1122-1124 %V 37 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2001_37_8_a11/ %G ru %F DE_2001_37_8_a11