@article{GDZPPN002111497, title = {Tight closure of parameter ideals.}, journal = {Inventiones mathematicae}, volume = {115}, year = {1994}, pages = {41-60}, zbl = {0820.13007}, url = {http://dml.mathdoc.fr/item/GDZPPN002111497} }
Smith, K.E. Tight closure of parameter ideals.. Inventiones mathematicae, Tome 115 (1994) pp. 41-60. http://gdmltest.u-ga.fr/item/GDZPPN002111497/