%0 Journal Article %A Klaus-Jürgen Eckardt %T On the Existence of Wave Operators for Dirac Operators. %J Manuscripta mathematica %D 1973 %P 359-372 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1973__11_154220/ %F MM2_1973__11_154220