@article{AIF_1979__29_4_1_0, author = {Gillard, Roland}, title = {Unit\'es cyclotomiques, unit\'es semi-locales et ${\mathbb {Z}}_\ell $-extensions. {II}}, journal = {Annales de l'Institut Fourier}, pages = {1--15}, publisher = {Institut Fourier}, volume = {29}, number = {4}, year = {1979}, doi = {10.5802/aif.763}, zbl = {0403.12006}, mrnumber = {81e:12005b}, language = {fr}, url = {http://www.numdam.org/articles/10.5802/aif.763/} }