@article{TIMM_2013_19_4_a13,
     author = {Yu. N. Kiselev and S. N. Avvakumov},
     title = {Construction of analytic solutions of the {Cauchy} problem for a two-dimensional {Hamiltonian} system},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {131--141},
     year = {2013},
     volume = {19},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2013_19_4_a13/}
}