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@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/} }
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/