@article{IM_1987__89_143475,
     author = {W. Sinnott},
     title = {?-transforms of rational function measures on {Zs.}},
     journal = {Inventiones mathematicae},
     pages = {139--158},
     publisher = {mathdoc},
     volume = {89},
     year = {1987},
     zbl = {0637.12004},
     url = {http://geodesic.mathdoc.fr/item/IM_1987__89_143475/}
}