%0 Journal Article %A M. V. Bondarko %T Idempotents in the endomorphism ring of an ideal in a $p$-extension of a complete discrete valuation field with residue field of characteristic~$p$ as a Galois module %J Zapiski Nauchnykh Seminarov POMI %D 1999 %P 22-28 %V 265 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1999_265_a2/ %G ru %F ZNSL_1999_265_a2