@article{IM2_1984_22_2_a1,
     author = {V. V. Vershinin},
     title = {Symplectic cobordism with singularities},
     journal = {Izvestiya. Mathematics},
     pages = {211--226},
     year = {1984},
     volume = {22},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1984_22_2_a1/}
}