@article{TAM_1994_20_1_a12,
     author = {A. A. Martynyuk and N. V. Nikitina},
     title = {On attraction in one problem of {Poincare}},
     journal = {Theoretical and applied mechanics},
     pages = {153 },
     year = {1994},
     volume = {20},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/TAM_1994_20_1_a12/}
}