@article{1077295138, author = {Jim\'enez, Jes\'us}, title = {Contraction of nonsingular curves}, journal = {Duke Math. J.}, volume = {68}, number = {1}, year = {1992}, pages = { 313-332}, language = {en}, url = {http://dml.mathdoc.fr/item/1077295138} }
Jiménez, Jesús. Contraction of nonsingular curves. Duke Math. J., Tome 68 (1992) no. 1, pp. 313-332. http://gdmltest.u-ga.fr/item/1077295138/