@article{ND_2010_6_3_a5,
     author = {S. V. Gonchenko and A. S. Gonchenko and M. I. Malkin},
     title = {On classification of classical and half-orientable horseshoes in terms of boundary points},
     journal = {Russian journal of nonlinear dynamics},
     pages = {549--566},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2010_6_3_a5/}
}