@article{10_4171_dm_91,
     author = {M.V. Bondarko},
     title = {Local {Leopoldt's} problem for rings of integers in {Abelian} $p$-extensions of complete discrete valuation fields},
     journal = {Documenta mathematica},
     pages = {657--693},
     year = {2000},
     volume = {5},
     doi = {10.4171/dm/91},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/91/}
}