@article{AA_1992_4_6_a2,
     author = {V. I. Arnol'd},
     title = {Poly-integrable flows},
     journal = {Algebra i analiz},
     pages = {54--62},
     publisher = {mathdoc},
     volume = {4},
     number = {6},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1992_4_6_a2/}
}