@article{10_4064_sm_120_1_83_88,
     author = {Anthony N. Quas},
     title = {Invariant densities for {C{\textonesuperior}} maps},
     journal = {Studia Mathematica},
     pages = {83--88},
     year = {1996},
     volume = {120},
     number = {1},
     doi = {10.4064/sm-120-1-83-88},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-120-1-83-88/}
}