%0 Journal Article %A E. A. Kopylova %T On long-time decay for magnetic Schr\"odinger and Klein--Gordon equations %J Informatics and Automation %D 2012 %P 129-137 %V 278 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2012_278_a11/ %G en %F TRSPY_2012_278_a11