%0 Journal Article %A V. M. Bruk %T On spaces of boundary values for relations generated by a formally selfadjoint expression and a nonnegative operator function %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2006 %P 268-277 %V 2 %N 3 %U http://geodesic.mathdoc.fr/item/JMAG_2006_2_3_a1/ %G en %F JMAG_2006_2_3_a1