@article{IVM_1984_4_a0,
     author = {E. Z. Borevich},
     title = {Topological equivalence of two-dimensional {Morse{\textendash}Smale} diffeomorphisms},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--6},
     year = {1984},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_4_a0/}
}