@incollection{MSMF_1971__25__127_0, author = {Maus, Eckart}, title = {On the jumps in the series of ramifications groups}, booktitle = {Colloque de th\'eorie des nombres (Bordeaux, 1969)}, author = {Collectif}, series = {M\'emoires de la Soci\'et\'e Math\'ematique de France}, pages = {127--133}, publisher = {Soci\'et\'e math\'ematique de France}, number = {25}, year = {1971}, doi = {10.24033/msmf.44}, zbl = {0245.12014}, mrnumber = {51 #449}, url = {http://archive.numdam.org/articles/10.24033/msmf.44/} }