TY - JOUR AU - Byung Gyun Kang AU - Dong Yeol Oh TI - Formal power series rings over a $\pi$-domain JO - Journal of the European Mathematical Society PY - 2009 SP - 1429 EP - 1443 VL - 11 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/186/ DO - 10.4171/jems/186 ID - JEMS_2009_11_6_a9 ER -