@article{JTNB_2001__13_1_125_0,
     author = {Francini, Paolo},
     title = {The size function $h^0$ for quadratic number fields},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {125--135},
     publisher = {Universit\'e Bordeaux I},
     volume = {13},
     number = {1},
     year = {2001},
     mrnumber = {1838075},
     zbl = {1060.11076},
     language = {en},
     url = {http://www.numdam.org/item/JTNB_2001__13_1_125_0/}
}