@article{ND_2010_6_1_a14,
     author = {V. V. Fedorenko and A. N. Sharkovsky},
     title = {On coexistence of homoclinic and periodic trajectories},
     journal = {Russian journal of nonlinear dynamics},
     pages = {207--217},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2010_6_1_a14/}
}