%0 Journal Article %A K. Yu. Dadashyan %A S. S. Horuzhy %T Conditional expectations on von Neumann algebras and the causal independence of quantized fields %J Teoretičeskaâ i matematičeskaâ fizika %D 1981 %P 147-156 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1981_46_2_a0/ %G ru %F TMF_1981_46_2_a0