@article{BSMF_1971__99__247_0, author = {O'Malley, Matthew J.}, title = {Some remarks on the formal power series ring}, journal = {Bulletin de la Soci\'et\'e Math\'ematique de France}, pages = {247--258}, publisher = {Soci\'et\'e math\'ematique de France}, volume = {99}, year = {1971}, doi = {10.24033/bsmf.1718}, zbl = {0202.04801}, mrnumber = {44 #6688}, language = {en}, url = {http://www.numdam.org/articles/10.24033/bsmf.1718/} }