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@article{MZ_1967__98_170753, author = {B. Eckmann and P.J. Hilton}, title = {Filtrations, {Associated} {Graded} {Objects} and {Completions.}}, journal = {Mathematische Zeitschrift}, pages = {319--354}, publisher = {mathdoc}, volume = {98}, year = {1967}, zbl = {0204.03101}, url = {http://geodesic.mathdoc.fr/item/MZ_1967__98_170753/} }
B. Eckmann; P.J. Hilton. Filtrations, Associated Graded Objects and Completions.. Mathematische Zeitschrift, Tome 98 (1967), pp. 319-354. http://geodesic.mathdoc.fr/item/MZ_1967__98_170753/