author = { Llibre, Jaume },

title = { A Note on the First Integrals of Vector Fields with Integrating Factors and Normalizers },

publisher = {SIGMA (Symmetry, Integrability and Geometry: Methods and Application)},

isbn = {1815-0659},

keywords = { Geometry and Topology , Mathematical Physics , Analysis },

year = {2012},

url = { http://slubdd.de/katalog?TN_libero_mab2 }