@article{10_4064_cm96_1_8,
     author = {Horst Alzer and Stamatis Koumandos},
     title = {A sharp bound for a sine polynomial},
     journal = {Colloquium Mathematicum},
     pages = {83--91},
     year = {2003},
     volume = {96},
     number = {1},
     doi = {10.4064/cm96-1-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm96-1-8/}
}