@article{JTNB_2013__25_2_261_0,
     author = {Bayer, Pilar and Blanco-Chac\'on, Iv\'an},
     title = {Quadratic modular symbols on {Shimura} curves},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {261--283},
     publisher = {Soci\'et\'e Arithm\'etique de Bordeaux},
     volume = {25},
     number = {2},
     year = {2013},
     doi = {10.5802/jtnb.835},
     zbl = {1295.11052},
     mrnumber = {3228307},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/jtnb.835/}
}