%0 Journal Article %A A. V. Glushak %T Properties of Solutions of Equations Containing Powers of an Unbounded Operator %J Differencialʹnye uravneniâ %D 2003 %P 1355-1365 %V 39 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2003_39_10_a6/ %G ru %F DE_2003_39_10_a6