@article{SM_2010_201_10_a4,
     author = {T. A. Lepskii},
     title = {Incomplete integrable {Hamiltonian} systems with complex polynomial {Hamiltonian} of small degree},
     journal = {Sbornik. Mathematics},
     pages = {1511--1538},
     publisher = {mathdoc},
     volume = {201},
     number = {10},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2010_201_10_a4/}
}