%0 Journal Article %A M. S. Agranovich %A A. M. Selitskii %T Fractional Powers of Operators Corresponding to Coercive Problems in Lipschitz Domains %J Funkcionalʹnyj analiz i ego priloženiâ %D 2013 %P 2-17 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2013_47_2_a1/ %G ru %F FAA_2013_47_2_a1