@article{GDZPPN002331608,
title = {The Le-Ramanujam Problem for Hypersurfaces with One-Dimensional Singular Sets.},
journal = {Mathematische Annalen},
volume = {280},
year = {1988},
pages = {33-50},
zbl = {0657.32005},
url = {http://dml.mathdoc.fr/item/GDZPPN002331608}
}
Massey, David B. The Le-Ramanujam Problem for Hypersurfaces with One-Dimensional Singular Sets.. Mathematische Annalen, Tome 280 (1988) pp. 33-50. http://gdmltest.u-ga.fr/item/GDZPPN002331608/