@article{MS2_1973__33_166329,
     author = {John Gill},
     title = {Attractive {Fixed} {Points} and {Continued} {Fractions.}},
     journal = {Mathematica Scandinavica},
     pages = {261--268},
     publisher = {mathdoc},
     volume = {33},
     year = {1973},
     zbl = {0282.30010},
     url = {http://geodesic.mathdoc.fr/item/MS2_1973__33_166329/}
}