%0 Journal Article %A M. G. Sonis %T On a~class of operators in von~Neumann algebras with Segal measure on the projectors %J Sbornik. Mathematics %D 1971 %P 344-359 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1971_13_3_a1/ %G en %F SM_1971_13_3_a1