@article{SM_1989_62_1_a13,
     author = {V. S. Medvedev},
     title = {On the index of invariant domains of homeomorphisms of},
     journal = {Sbornik. Mathematics},
     pages = {207--221},
     year = {1989},
     volume = {62},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1989_62_1_a13/}
}