%0 Journal Article %A G. M. Sklyar %A P. Polak %T Notes on the asymptotic properties of some class of unbounded strongly continuous semigroups %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2019 %P 412-424 %V 15 %N 3 %U http://geodesic.mathdoc.fr/item/JMAG_2019_15_3_a7/ %G en %F JMAG_2019_15_3_a7