@article{1029002066, author = {Hazewinkel, Michiel}, title = {Norm maps for formal groups. IV.}, journal = {Michigan Math. J.}, volume = {25}, number = {1}, year = {1978}, pages = { 245-255}, language = {en}, url = {http://dml.mathdoc.fr/item/1029002066} }
Hazewinkel, Michiel. Norm maps for formal groups. IV.. Michigan Math. J., Tome 25 (1978) no. 1, pp. 245-255. http://gdmltest.u-ga.fr/item/1029002066/