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@article{IM2_1971_5_5_a5, author = {M. Kh. Gizatullin}, title = {Quasihomogeneous affine surfaces}, journal = {Izvestiya. Mathematics }, pages = {1057--1081}, publisher = {mathdoc}, volume = {5}, number = {5}, year = {1971}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1971_5_5_a5/} }
M. Kh. Gizatullin. Quasihomogeneous affine surfaces. Izvestiya. Mathematics , Tome 5 (1971) no. 5, pp. 1057-1081. http://geodesic.mathdoc.fr/item/IM2_1971_5_5_a5/