@article{JRAM_1979__0311_0312_152174,
     author = {Wolfram Jehne},
     title = {On knots in algebraic number theory.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {215--254},
     publisher = {mathdoc},
     volume = {0311_0312},
     year = {1979},
     zbl = {0432.12006},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__0311_0312_152174/}
}