@article{FPM_2015_20_3_a5,
     author = {I. K. Kozlov},
     title = {Invariant foliations of nondegenerate {bi-Hamiltonian} structures},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {91--111},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2015_20_3_a5/}
}