@article{CLTM_1997_1997_1_a8,
     author = {Brzezinski, Juliusz},
     title = {Generalizaci\'on de la f\'ormula de {Eichler} para la traza.},
     journal = {Collectanea mathematica},
     pages = {53-61},
     year = {1997},
     volume = {48},
     number = {1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1997_1997_1_a8/}
}