GONÇALVES, Daciberg L., PENTEADO, Dirceu and VIEIRA, João Peres. Abelianized Obstruction for fixed points of fiber-preserving maps of Surface bundles. Topological Methods in Nonlinear Analysis. Online. 1 June 2009. Vol. 33, no. 2, pp. 293 - 305. [Accessed 22 July 2024].