%0 Journal Article %A Yu. I. Vorontsov %T Relation between the error of energy measurement and the perturbation of energy in QND measurements %J Doklady Akademii Nauk %D 1988 %P 1116-1119 %V 303 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_303_5_a19/ %G ru %F DAN_1988_303_5_a19