%0 Journal Article %A G. Lassner %A A. Uhlmann %T On Op*-algebras of unbounded operators %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %P 168-173 %V 135 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1975_135_a17/ %G en %F TM_1975_135_a17