TY - JOUR AU - Joseph Liang TI - On relations between units of normal algebraic number fields and their subfields JO - Acta Arithmetica PY - 1972 SP - 331 EP - 344 VL - 20 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-20-4-331-344/ DO - 10.4064/aa-20-4-331-344 LA - en ID - 10_4064_aa_20_4_331_344 ER -