@article{DAN_1994_337_1_a11,
     author = {A. A. Il'yushin},
     title = {Functionals and measures of irreversibility on process sets in},
     journal = {Doklady Akademii Nauk},
     pages = {48--50},
     year = {1994},
     volume = {337},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_337_1_a11/}
}