@article{MZM_1993_53_4_a5,
     author = {V. V. Kozlov},
     title = {The {Liouville} property of invariant measures of completely integrable systems and the {Monge--Amp\`ere} equation},
     journal = {Matemati\v{c}eskie zametki},
     pages = {45--52},
     publisher = {mathdoc},
     volume = {53},
     number = {4},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_4_a5/}
}