@article{GDZPPN002101416,
title = {Semicontinuity of the singularity spectrum.},
journal = {Inventiones mathematicae},
volume = {82},
year = {1985},
pages = {557-566},
zbl = {0568.14021},
url = {http://dml.mathdoc.fr/item/GDZPPN002101416}
}
Steenbrink, J.H.M. Semicontinuity of the singularity spectrum.. Inventiones mathematicae, Tome 82 (1985) pp. 557-566. http://gdmltest.u-ga.fr/item/GDZPPN002101416/