@article{GDZPPN002224852, title = {Class Group Rank Relations in Zl-Extensions.}, journal = {Manuscripta mathematica}, volume = {43}, year = {1983}, pages = {75-108}, zbl = {0516.12012}, url = {http://dml.mathdoc.fr/item/GDZPPN002224852} }
Madan, Manohar L.; D'Mello, Joseph G. Class Group Rank Relations in Zl-Extensions.. Manuscripta mathematica, Tome 43 (1983) pp. 75-108. http://gdmltest.u-ga.fr/item/GDZPPN002224852/