@article{1077286969,
author = {Chirka, E. M. and Rea, C.},
title = {Normal and tangent ranks of CR mappings},
journal = {Duke Math. J.},
volume = {76},
number = {1},
year = {1994},
pages = { 417-431},
language = {en},
url = {http://dml.mathdoc.fr/item/1077286969}
}
Chirka, E. M.; Rea, C. Normal and tangent ranks of CR mappings. Duke Math. J., Tome 76 (1994) no. 1, pp. 417-431. http://gdmltest.u-ga.fr/item/1077286969/