@article{TMF_1981_46_2_a0,
     author = {K. Yu. Dadashyan and S. S. Horuzhy},
     title = {Conditional expectations on von {Neumann} algebras and the causal independence of quantized fields},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {147--156},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_46_2_a0/}
}