@article{MZM_1999_66_6_a14,
     author = {V. Z. Grines and V. S. Medvedev},
     title = {On the topological conjugacy of three-dimensional gradient-like diffeomorphisms with a~trivially embedded set of separatrices of saddle fixed points},
     journal = {Matemati\v{c}eskie zametki},
     pages = {945--948},
     publisher = {mathdoc},
     volume = {66},
     number = {6},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_6_a14/}
}