%0 Journal Article %A Christian F. Skau %T Positive self-adjoint extensions of operators affiliated with a von Neumann algebra. %J Mathematica Scandinavica %D 1979 %P 171-195 %V 44 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1979__44_166639/ %F MS2_1979__44_166639