On the homology of a ramified covering over $\mathbb C^2$
Matematičeskie zametki, Tome 64 (1998) no. 6, pp. 839-846

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The paper contains a description of the two-dimensional homology group of a specific surface, which is of interest in connection with the Jacobian conjecture. The self-intersection index and the value of the Chern characteristic of a generator of this group are calculated explicitly.
@article{MZM_1998_64_6_a4,
     author = {A. G. Vitushkin},
     title = {On the homology of a ramified covering over $\mathbb C^2$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {839--846},
     publisher = {mathdoc},
     volume = {64},
     number = {6},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1998_64_6_a4/}
}
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A. G. Vitushkin. On the homology of a ramified covering over $\mathbb C^2$. Matematičeskie zametki, Tome 64 (1998) no. 6, pp. 839-846. http://geodesic.mathdoc.fr/item/MZM_1998_64_6_a4/