@article{10_14708_cm_v29i2_6274,
     author = {J. Kaczorowski and W. Sta\'s},
     title = {On zeros and sign changes of certain {Dirichlet} polynomials},
     journal = {Commentationes Mathematicae},
     pages = { 223--232},
     publisher = {mathdoc},
     volume = {29},
     number = {2},
     year = {1990},
     doi = {10.14708/cm.v29i2.6274},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v29i2.6274/}
}