@article{01730448,
title = {Extending extremal contractions from an ample section.},
journal = {Advances in Geometry},
volume = {2},
year = {2002},
pages = {133-146},
doi = {10.1515/advg.2002.003},
zbl = {0987.14010},
language = {en},
url = {http://dml.mathdoc.fr/item/01730448}
}
Andreatta, Marco; Occhetta, Gianluca. Extending extremal contractions from an ample section.. Advances in Geometry, Tome 2 (2002) pp. 133-146. doi : 10.1515/advg.2002.003. http://gdmltest.u-ga.fr/item/01730448/