@article{DE_2001_37_2_a5,
     author = {S. V. Gonchenko and A. S. Markichev and A. E. Shatalin},
     title = {Stable {Periodic} {Trajectories} of {Two-Dimensional} {Diffeomorphisms} {Close} to a {Diffeomorphism} with a {Structurally} {Unstable} {Heteroclinic} {Contour}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {191--201},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_2_a5/}
}