@article{SM_2004_195_7_a0,
     author = {V. P. Varin},
     title = {Poincar\'e map for some polynomial systems of~differential equations},
     journal = {Sbornik. Mathematics},
     pages = {917--934},
     publisher = {mathdoc},
     volume = {195},
     number = {7},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2004_195_7_a0/}
}