@article{1077307839, author = {Izumi, Shuzo}, title = {The rank condition and convergence of formal functions}, journal = {Duke Math. J.}, volume = {58}, number = {1}, year = {1989}, pages = { 241-264}, language = {en}, url = {http://dml.mathdoc.fr/item/1077307839} }
Izumi, Shuzo. The rank condition and convergence of formal functions. Duke Math. J., Tome 58 (1989) no. 1, pp. 241-264. http://gdmltest.u-ga.fr/item/1077307839/