@article{ND_2006_2_1_a0,
     author = {S. V. Gonchenko and O. V. Sten'kin and L. P. Shilnikov},
     title = {On the existence of infinitely many stable and unstable invariant tori for systems from {Newhouse} regions with heteroclinic tangencies},
     journal = {Russian journal of nonlinear dynamics},
     pages = {3--25},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2006_2_1_a0/}
}