@article{GDZPPN002111683,
title = {Vanishing cycles for formal schemes.},
journal = {Inventiones mathematicae},
volume = {115},
year = {1994},
pages = {539-571},
zbl = {0791.14008},
url = {http://dml.mathdoc.fr/item/GDZPPN002111683}
}
Berkovich, Vladimir G. Vanishing cycles for formal schemes.. Inventiones mathematicae, Tome 115 (1994) pp. 539-571. http://gdmltest.u-ga.fr/item/GDZPPN002111683/