@article{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", journal = "PoS", year = 2012, volume = "Lattice 2011", pages = "310" }