@article{TRSPY_1973_132_a23,
     author = {D. A. Burgess},
     title = {Dirichlet characters and polynomials},
     journal = {Informatics and Automation},
     pages = {203--205},
     publisher = {mathdoc},
     volume = {132},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_132_a23/}
}