@article{IM2_1974_8_5_a3,
     author = {V. A. Krasnov},
     title = {On the equivalence of imbeddings of complex spaces that can be blown down},
     journal = {Izvestiya. Mathematics},
     pages = {1009--1032},
     year = {1974},
     volume = {8},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1974_8_5_a3/}
}