%0 Journal Article %A A. A. Il'yushin %T Functionals and measures of irreversibility on process sets in %J Doklady Akademii Nauk %D 1994 %P 48-50 %V 337 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1994_337_1_a11/ %G ru %F DAN_1994_337_1_a11