%0 Journal Article %A SHUQIN, FAN %A WENBAO, HAN %T $p$-ADIC FORMAL SERIES AND COHEN'S PROBLEM %J Glasgow mathematical journal %D 2004 %P 47-61 %V 46 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089503001526/ %R 10.1017/S0017089503001526 %F 10_1017_S0017089503001526