@article{GDZPPN002104296,
title = {Hypersurface variations are maximal, I.},
journal = {Inventiones mathematicae},
volume = {88},
year = {1987},
pages = {371-374},
zbl = {0639.14003},
url = {http://dml.mathdoc.fr/item/GDZPPN002104296}
}
Carlson, J.A., Donagi, R. Hypersurface variations are maximal, I.. Inventiones mathematicae, Tome 88 (1987) pp. 371-374. http://gdmltest.u-ga.fr/item/GDZPPN002104296/