@article{SM_2022_213_3_a4,
     author = {E. V. Nozdrinova and O. V. Pochinka},
     title = {Bifurcations changing the homotopy type of the closure of an invariant saddle manifold of a~surface diffeomorphism},
     journal = {Sbornik. Mathematics},
     pages = {357--384},
     publisher = {mathdoc},
     volume = {213},
     number = {3},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2022_213_3_a4/}
}