@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/