%0 Journal Article %A L. Xiao %A I. Zhukov %T Ramification of higher local fields, approaches and questions %J Algebra i analiz %D 2014 %P 1-63 %V 26 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2014_26_5_a0/ %G en %F AA_2014_26_5_a0