中国科学院数学与系统科学研究院期刊网
AMS
Notes on the Borwein-Choi conjecture of Littlewood cyclotomic polynomials
Shao Fang Hong, Wei Cao,
Acta Mathematica Sinica . 2009, (1): 65 -76 .  DOI: 10.1007/s10114-008-6444-5