%0 Journal Article %A Wuthrich, Christian %T On the integrality of modular symbols and Kato's Euler system for elliptic curves %J Documenta mathematica %D 2014 %P 381-402 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2014__19__a33/ %G en %F DOCMA_2014__19__a33