@inproceedings{Karsch:2012pv, author = "Karsch, Frithjof and Engels, Juergen", title = "{Universal properties of 3d O(4) symmetric models: The scaling function of the free energy density and its derivatives}", doi = "10.22323/1.139.0310", booktitle = "Proceedings of XXIX International Symposium on Lattice Field Theory {\textemdash} PoS(Lattice 2011)", year = 2012, volume = "139", pages = "310" }