@article{MZ_1954__61_169465,
     author = {S. Verblunsky},
     title = {On the roots of a transcendental equation, occurring in the theory of trigonometric series.},
     journal = {Mathematische Zeitschrift},
     pages = {324--335},
     publisher = {mathdoc},
     volume = {61},
     year = {1954},
     zbl = {0057.30301},
     url = {http://geodesic.mathdoc.fr/item/MZ_1954__61_169465/}
}