@article{JRAM_1992__432_153466,
     author = {Jerzy Browkin},
     title = {On the p-rank of the tame kernel of algebraic number fields.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {135--150},
     year = {1992},
     volume = {432},
     zbl = {0754.11037},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__432_153466/}
}