TY - JOUR AU - O.T. Izhboldin TI - On the nonexcellence of field extensions $F(\pi)/F$ JO - Documenta mathematica PY - 1996 SP - 127 EP - 136 VL - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/6/ DO - 10.4171/dm/6 ID - 10_4171_dm_6 ER -