@article{MZM_1968_4_6_a14,
     author = {Yu. S. Ilyashenko},
     title = {Density of an~individual solution and ergodicity of a~family of solutions to the equation $d\eta/d\xi=P(\xi,\,\eta)/Q(\xi,\,\eta)$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {741--750},
     publisher = {mathdoc},
     volume = {4},
     number = {6},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_6_a14/}
}