@article{MZM_1993_54_3_a0,
     author = {V. Z. Grines},
     title = {Topological classification of {Morse{\textendash}Smale} diffeomorphisms with finite set of heteroclinic trajectories on surfaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {3--17},
     year = {1993},
     volume = {54},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1993_54_3_a0/}
}