@article{1183534739,
author = {Cox, Lawrence},
title = {Formal $A$-modules},
journal = {Bull. Amer. Math. Soc.},
volume = {79},
number = {5},
year = {1973},
pages = { 690-694},
language = {en},
url = {http://dml.mathdoc.fr/item/1183534739}
}
Cox, Lawrence. Formal $A$-modules. Bull. Amer. Math. Soc., Tome 79 (1973) no. 5, pp. 690-694. http://gdmltest.u-ga.fr/item/1183534739/