@article{JEMS_2009_11_6_a4,
     author = {Karma Dajani and Cor Kraaikamp and Wolfgang Steiner},
     title = {Metrical theory for $\ensuremath{\alpha}${-Rosen} fractions},
     journal = {Journal of the European Mathematical Society},
     pages = {1259--1283},
     publisher = {mathdoc},
     volume = {11},
     number = {6},
     year = {2009},
     doi = {10.4171/jems/181},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/181/}
}