@article{GDZPPN002181746,
title = {On polynomials all of whose roots lie on the unit circle.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {222},
year = {1966},
pages = {69-70},
zbl = {0136.25303},
url = {http://dml.mathdoc.fr/item/GDZPPN002181746}
}
Chowla, S. On polynomials all of whose roots lie on the unit circle.. Journal für die reine und angewandte Mathematik, Tome 222 (1966) pp. 69-70. http://gdmltest.u-ga.fr/item/GDZPPN002181746/