%0 Journal Article %A S. V. Tishchenko %T Direct proof of the equivalence of two forms of the nonequilibrium statistical operator %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 407-409 %V 25 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1975_25_3_a10/ %G ru %F TMF_1975_25_3_a10