%0 Journal Article %A A. S. Trushechkin %T Irreversibility and the~role of an~instrument in the~functional formulation of classical mechanics %J Teoretičeskaâ i matematičeskaâ fizika %D 2010 %P 435-440 %V 164 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2010_164_3_a12/ %G ru %F TMF_2010_164_3_a12