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@article{MM2_1995__87_4_156074, author = {Wolfgang Huck}, title = {Circle actions on 4-manifolds {I.}}, journal = {Manuscripta mathematica}, pages = {51--70}, publisher = {mathdoc}, volume = {87}, number = {4}, year = {1995}, zbl = {0839.57024}, url = {http://geodesic.mathdoc.fr/item/MM2_1995__87_4_156074/} }
Wolfgang Huck. Circle actions on 4-manifolds I.. Manuscripta mathematica, Tome 87 (1995) no. 4, pp. 51-70. http://geodesic.mathdoc.fr/item/MM2_1995__87_4_156074/