TY - JOUR AU - SHUQIN, FAN AU - WENBAO, HAN TI - $p$-ADIC FORMAL SERIES AND COHEN'S PROBLEM JO - Glasgow mathematical journal PY - 2004 SP - 47 EP - 61 VL - 46 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089503001526/ DO - 10.1017/S0017089503001526 ID - 10_1017_S0017089503001526 ER -