%0 Journal Article %A Cox, Lawrence H. %T Formal $A$-modules over $p$-adic integer rings %J Compositio Mathematica %D 1974 %P 287-308 %V 29 %N 3 %I Noordhoff International Publishing %U http://www.numdam.org/item/CM_1974__29_3_287_0/ %G en %F CM_1974__29_3_287_0