@article{JRAM_1986__367_152822,
     author = {Mohan Nair and Alberto Perelli},
     title = {Sieve methods and class-number problems. {I.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {11--26},
     publisher = {mathdoc},
     volume = {367},
     year = {1986},
     zbl = {0588.10053},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1986__367_152822/}
}