@article{CM_1974__29_3_287_0,
     author = {Cox, Lawrence H.},
     title = {Formal $A$-modules over $p$-adic integer rings},
     journal = {Compositio Mathematica},
     pages = {287--308},
     publisher = {Noordhoff International Publishing},
     volume = {29},
     number = {3},
     year = {1974},
     mrnumber = {364267},
     zbl = {0295.14020},
     language = {en},
     url = {http://www.numdam.org/item/CM_1974__29_3_287_0/}
}