%0 Journal Article %A D. N. Zubarev %T Boundary conditions for statistical operators in the theory of nonequilibrium processes and quasiaverages %J Teoretičeskaâ i matematičeskaâ fizika %D 1970 %P 276-286 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1970_3_2_a12/ %G ru %F TMF_1970_3_2_a12