@article{10_4064_cm_71_2_243_251,
     author = {Stamatis Koumandos},
     title = {On a positive sine sum},
     journal = {Colloquium Mathematicum},
     pages = {243--251},
     publisher = {mathdoc},
     volume = {71},
     number = {2},
     year = {1996},
     doi = {10.4064/cm-71-2-243-251},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-71-2-243-251/}
}