On the jumps in the series of ramifications groups
Colloque de théorie des nombres (Bordeaux, 1969), Mémoires de la Société Mathématique de France, no. 25 (1971), pp. 127-133. 
@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/item/MSMF_1971__25__127_0/}
}
Maus, Eckart. On the jumps in the series of ramifications groups, dans Colloque de théorie des nombres (Bordeaux, 1969), Mémoires de la Société Mathématique de France, no. 25 (1971), pp. 127-133. doi : 10.24033/msmf.44. http://archive.numdam.org/item/MSMF_1971__25__127_0/

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