@article{10_4064_cm_64_1_13_18,
     author = {Edward Dobrowolski and Tadeusz Januszkiewicz},
     title = {Arithmetic of an elliptic curve and circle actions on four-manifolds},
     journal = {Colloquium Mathematicum},
     pages = {13--18},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {1993},
     doi = {10.4064/cm-64-1-13-18},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-64-1-13-18/}
}