@article{JTNB_2007__19_1_27_0, author = {Francesco Amoroso}, 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 = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.571/} }