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@article{JRAM_1966__222_150732, author = {S. Chowla}, title = {On polynomials all of whose roots lie on the unit circle.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {69--70}, publisher = {mathdoc}, volume = {222}, year = {1966}, zbl = {0136.25303}, url = {http://geodesic.mathdoc.fr/item/JRAM_1966__222_150732/} }
S. Chowla. 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://geodesic.mathdoc.fr/item/JRAM_1966__222_150732/