@article{IM2_1973_7_4_a6,
     author = {A. N. Varchenko},
     title = {Local topological properties of analytic mappings},
     journal = {Izvestiya. Mathematics},
     pages = {883--917},
     year = {1973},
     volume = {7},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_4_a6/}
}