@article{AIF_1993__43_4_1055_0, author = {Wehlau, David}, title = {Constructive invariant theory for tori}, journal = {Annales de l'Institut Fourier}, pages = {1055--1066}, publisher = {Institut Fourier}, volume = {43}, number = {4}, year = {1993}, doi = {10.5802/aif.1364}, zbl = {0789.14009}, mrnumber = {95c:14068}, language = {en}, url = {http://www.numdam.org/articles/10.5802/aif.1364/} }