@article{10_4064_aa105_2_1,
     author = {Georg Illies},
     title = {Cramer functions and {Guinand} equations},
     journal = {Acta Arithmetica},
     pages = {103--118},
     publisher = {mathdoc},
     volume = {105},
     number = {2},
     year = {2002},
     doi = {10.4064/aa105-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa105-2-1/}
}