@article{PIM_1952_S_S_IV_04_a16,
     author = {M. Tomi\'c},
     title = {Enige {S\"atze} {\"Uber} {Die} {Positivit\"at} {Der} {Trigonometrischen} {Polynome}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {145 },
     publisher = {mathdoc},
     volume = {_S_S_IV},
     number = {04},
     year = {1952},
     url = {http://geodesic.mathdoc.fr/item/PIM_1952_S_S_IV_04_a16/}
}