@article{GDZPPN002203456,
title = {Sieve methods and class-number problems. I.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {372},
year = {1986},
pages = {11-26},
zbl = {0588.10053},
url = {http://dml.mathdoc.fr/item/GDZPPN002203456}
}
Nair, Mohan; Perelli, Alberto. Sieve methods and class-number problems. I.. Journal für die reine und angewandte Mathematik, Tome 372 (1986) pp. 11-26. http://gdmltest.u-ga.fr/item/GDZPPN002203456/