@article{JTNB_2007__19_1_27_0,
     author = {Amoroso, Francesco},
     title = {Small points on a multiplicative group and class number problem},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {27--39},
     publisher = {Universit\'e Bordeaux 1},
     volume = {19},
     number = {1},
     year = {2007},
     doi = {10.5802/jtnb.571},
     zbl = {1131.11044},
     mrnumber = {2332051},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/jtnb.571/}
}